Common metabolic profile in infants indicating impaired cobalamin status responds to cobalamin supplementation

Quantile Regression

Koenker, R. W., & Hallock, K. F. (2001) · The Journal of Economic Perspectives · doi:10.1257/jep.15.4.143 · Cited by 4,432 · see citing works

Sensitivity of serum methylmalonic acid and total homocysteine determinations for diagnosing cobalamin and folate deficiencies

Savage, D. G., Lindenbaum, J., Stabler, S. P., & Allen, R. H. (1994) · The American Journal of Medicine · doi:10.1016/0002-9343(94)90149-x · Cited by 707 · see citing works

Developmental Surveillance and Screening of Infants and Young Children

(2001) · PEDIATRICS · doi:10.1542/peds.108.1.192 · Cited by 540 · see citing works

VITAMIN B12 DEFICIENCY AS A WORLDWIDE PROBLEM

Stabler, S. P., & Allen, R. H. (2004) · Annual Review of Nutrition · doi:10.1146/annurev.nutr.24.012003.132440 · Cited by 539 · see citing works

Metabolic abnormalities in cobalamin (vitamin B 12 ) and folate deficiency

Allen, R. H., Stabler, S. P., Savage, D. G., & Lindenbaum, J. (1993) · The FASEB Journal · doi:10.1096/fasebj.7.14.7901104 · Cited by 352 · see citing works

Pathways and Regulation of Homocysteine Metabolism in Mammals

Finkelstein, J. D. (2000) · Seminars in Thrombosis and Hemostasis · doi:10.1055/s-2000-8466 · Cited by 329 · see citing works

Microbiological assay on microtitre plates of folate in serum and red cells.

O’Broin, S. D., & Kelleher, B. (1992) · Journal of Clinical Pathology · doi:10.1136/jcp.45.4.344 · Cited by 306 · see citing works

Microbiological assay for vitamin B12 performed in 96-well microtitre plates.

Kelleher, B. P., & Broin, S. D. (1991) · Journal of Clinical Pathology · doi:10.1136/jcp.44.7.592 · Cited by 292 · see citing works

Long-term neurologic consequences of nutritional vitamin B12 deficiency in infants

Graham, S. M., Arvela, O. M., & Wise, G. A. (1992) · The Journal of Pediatrics · doi:10.1016/s0022-3476(05)81897-9 · Cited by 291 · see citing works

VITAMIN-B12 DEFICIENCY IN INDIAN INFANTS

Jadhav, M. A., Webb, J. K. G., Vaishnava, S., & Baker, S. J. (1962) · The Lancet · doi:10.1016/s0140-6736(62)90682-7 · Cited by 268 · see citing works

Elevation of serum cystathionine levels in patients with cobalamin and folate deficiency

Stabler, S., Lindenbaum, J., Savage, D., & Allen, R. (1993) · Blood · doi:10.1182/blood.v81.12.3404.3404 · Cited by 263 · see citing works

A Syndrome of Methylmalonic Aciduria, Homocystinuria, Megaloblastic Anemia and Neurologic Abnormalities in a Vitamin B12-Deficient Breast-Fed Infant of a Strict Vegetarian

Higginbottom, M. C., Sweetman, L., & Nyhan, W. L. (1978) · New England Journal of Medicine · doi:10.1056/nejm197808172990701 · Cited by 263 · see citing works

Fatty acid composition of mature human milk in Germany

Koletzko, B. V., Mrotzek, M., & Hj, B. (1988) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/47.6.954 · Cited by 222 · see citing works

Vitamin B12 deficiency in children and adolescents

Rasmussen, S. A., Fernhoff, P. M., & Scanlon, K. S. (2001) · The Journal of Pediatrics · doi:10.1067/mpd.2001.112160 · Cited by 214 · see citing works

Persistence of neurological damage induced by dietary vitamin B-12 deficiency in infancy

Schenck, U. V., Bender-Götze, C., & Koletzko, B. V. (1997) · Archives of Disease in Childhood · doi:10.1136/adc.77.2.137 · Cited by 181 · see citing works

Signs of impaired cognitive function in adolescents with marginal cobalamin status

Louwman, M. W., van Dusseldorp, M., van de Vijver, F. J., Thomas, C. M., Schneede, J., Ueland, P. M., Refsum, H., & van Staveren, W. A. (2000) · The American Journal of Clinical Nutrition · doi:10.1093/ajcn/72.3.762 · Cited by 178 · see citing works

Vitamin Supplements and Cardiovascular Risk: Review of the Randomized Trials of Homocysteine-Lowering Vitamin Supplements

Clarke, R., & ARMITAGE, J. (2000) · Seminars in Thrombosis and Hemostasis · doi:10.1055/s-2000-8101 · Cited by 177 · see citing works

Cobalamin and folate deficiency: acquired and hereditary disorders in children.

Rosenblatt, D. S., & Whitehead, V. M. (1999) · PubMed · Cited by 163 · see citing works

Vitamin B-12: low milk concentrations are related to low serum concentrations in vegetarian women and to methylmalonic aciduria in their infants

Specker, B., Black, A., Allen, L. H., & Morrow, F. D. (1990) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/52.6.1073 · Cited by 163 · see citing works

Automated Assay for the Determination of Methylmalonic Acid, Total Homocysteine, and Related Amino Acids in Human Serum or Plasma by Means of Methylchloroformate Derivatization and Gas Chromatography–Mass Spectrometry

Windelberg, A., Arseth, O., Kvalheim, G., & Ueland, P. M. (2005) · Clinical Chemistry · doi:10.1373/clinchem.2005.053835 · Cited by 154 · see citing works

Determinants of Cobalamin Status in Newborns

Monsen, A.-L. B., Ueland, P. M., Vollset, S. E., Guttormsen, A. B., Markestad, T., Solheim, E., & Refsum, H. (2001) · PEDIATRICS · doi:10.1542/peds.108.3.624 · Cited by 153 · see citing works

Total Homocysteine in Pediatric Patients

Vilaseca, M. A., Moyano, D., Ferrer, I., & Artuch, R. (1997) · Clinical Chemistry · doi:10.1093/clinchem/43.4.690 · Cited by 146 · see citing works

Vitamin B12 Metabolism and Status during Pregnancy, Lactation and Infancy

Allen, L. H. (1994) · Advances in experimental medicine and biology · doi:10.1007/978-1-4899-2575-6_14 · Cited by 143 · see citing works

Vitamin B-12 deficiency and malabsorption are highly prevalent in rural Mexican communities

Allen, L., Rosado, J. L., Casterline, J. E., Martı́nez, H., Lopez, P., Muñoz, E., & Black, A. (1995) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/62.5.1013 · Cited by 138 · see citing works

Cobalamin Status and Its Biochemical Markers Methylmalonic Acid and Homocysteine in Different Age Groups from 4 Days to 19 Years

Monsen, A.-L. B., Refsum, H., Markestad, T., & Ueland, P. M. (2003) · Clinical Chemistry · doi:10.1373/clinchem.2003.019869 · Cited by 135 · see citing works

Plasma homocysteine concentrations in a Belgian school-age population

Laet, C. D., Wautrecht, J.-C., Brasseur, D. J., Dramaix, M., Boeynaems, J., Decuyper, J., & Kahn, A. (1999) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/69.5.968 · Cited by 101 · see citing works

The neurological syndrome of infantile cobalamin deficiency: Developmental regression and involuntary movements

Grattan‐Smith, P. J., Wilcken, B., Procopis, P., & Wise, G. A. (1997) · Movement Disorders · doi:10.1002/mds.870120108 · Cited by 96 · see citing works

Relationship between total homocysteine and folate levels in pregnant women and their newborn babies according to maternal serum levels of vitamin B12

Guerra‐Shinohara, E. M., Paiva, A. D. A., Rondó, P. H. D. C., Yamasaki, K., Terzi, C. A., & D’Almeida, V. (2002) · BJOG An International Journal of Obstetrics & Gynaecology · doi:10.1111/j.1471-0528.2002.01307.x · Cited by 95 · see citing works

Sources of propionate in inborn errors of propionate metabolism

Thompson, G. N., Walter, J. H., Bresson, J., Ford, G. C., Lyonnet, S., CHALMERS, R. A., Saudubray, J., Leonard, J. V., & Halliday, D. (1990) · Metabolism · doi:10.1016/0026-0495(90)90084-p · Cited by 88 · see citing works

Correlates of plasma homocysteine, cysteine and cysteinyl-glycine in respondents in the British National Diet and Nutrition Survey of Young People Aged 4–18 Years, and a comparison with the Survey of People Aged 65 Years and Over

Bates, C. J., Mansoor, M. A., Gregory, J., Pentieva, K. D., & Prentice, A. (2002) · British Journal Of Nutrition · doi:10.1079/bjn2001479 · Cited by 85 · see citing works

Assessment of vitamin B-12, folate, and vitamin B-6 status and relation to sulfur amino acid metabolism in neonates

Minet, J.-C., Bissé, E., Aebischer, C. P., Beil, A., Wieland, H., & Lütschg, J. (2000) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/72.3.751 · Cited by 84 · see citing works

Maternal and fetal plasma homocysteine concentrations at birth: The influence of folate, vitamin B12, and the 5,10-methylenetetrahydrofolate reductase 677C→T variant

Molloy, A. M., Mills, J. L., McPartlin, J. M., Kirke, P. N., Scott, J. M., & Daly, S. (2002) · American Journal of Obstetrics and Gynecology · doi:10.1067/mob.2002.121105 · Cited by 84 · see citing works

Demonstration That Mammalian Methionine Synthases Are Predominantly Cobalamin-loaded

Chen, Z., Chakraborty, S., & Banerjee, R. V. (1995) · Journal of Biological Chemistry · doi:10.1074/jbc.270.33.19246 · Cited by 80 · see citing works

Vitamin B12 deficiency in infancy as a cause of developmental regression

Casella, E. B., Valente, M., Navarro, J., & Kok, F. (2005) · Brain and Development · doi:10.1016/j.braindev.2005.02.005 · Cited by 78 · see citing works

Infantile Tremor Syndrome: A Vitamin B12 Deficiency Syndrome in Infants

Garewal, G., Narang, A. P. S., & Das, K. C. (1988) · Journal of Tropical Pediatrics · doi:10.1093/tropej/34.4.174 · Cited by 72 · see citing works

Vitamin B12—Folate Interrelations

Das, K. C., & Herbert, V. D. (1976) · Clinics in Haematology · doi:10.1016/s0308-2261(21)00116-8 · Cited by 71 · see citing works

Severe Vitamin B12 Deficiency in an Infant Associated With a Maternal Deficiency and a Strict Vegetarian Diet

Weiss, R., Fogelman, Y., & Bennett, M. (2004) · Journal of Pediatric Hematology/Oncology · doi:10.1097/00043426-200404000-00013 · Cited by 71 · see citing works

Expert Consultation on the Optimal Duration of Exclusive Breastfeeding

Habicht, J. (2004) · Advances in experimental medicine and biology · doi:10.1007/978-1-4757-4242-8_8 · Cited by 70 · see citing works

Increased urinary methylmalonic acid excretion in breast-fed infants of vegetarian mothers and identification of an acceptable dietary source of vitamin B-12

Specker, B., Miller, D., Norman, E., Greene, H. L., & Hayes, K. (1988) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/47.1.89 · Cited by 69 · see citing works

CONTRIBUTION OF GUT BACTERIAL METABOLISM TO HUMAN METABOLIC DISEASE

Bain, M. D., Borriello, S. P., Tracey, B. M., Jones, M., Reed, P. J., CHALMERS, R. A., & Stacey, T. E. (1988) · The Lancet · doi:10.1016/s0140-6736(88)91898-3 · Cited by 69 · see citing works

Evaluation of Indicators of Cobalamin Deficiency Defined as Cobalamin-induced Reduction in Increased Serum Methylmalonic Acid

Bolann, B. J., Solli, J. D., Schneede, J., Grøttum, K. A., Loraas, A., Stokkeland, M., Stallemo, A., Schjøth, A., Bie, R. B., Refsum, H., et al. (2000) · Clinical Chemistry · doi:10.1093/clinchem/46.11.1744 · Cited by 65 · see citing works

Outcome of individuals with low-moderate methylmalonic aciduria detected through a neonatal screening program

Sniderman, L. C., Lambert, M. A., Giguère, R., Auray‐Blais, C., Lemieux, B., Laframboise, R., Rosenblatt, D. S., & Treacy, E. P. (1999) · The Journal of Pediatrics · doi:10.1016/s0022-3476(99)70280-5 · Cited by 64 · see citing works

Influence of methylenetetrahydrofolate reductase genotype, age, vitamin B-12, and folate status on plasma homocysteine in children

DELVIN, E. E., Rozen, R. R., Mérouani, A., Genest, J. J., & Lambert, M. A. (2000) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/72.6.1469 · Cited by 64 · see citing works

Folate intake and blood concentrations of term infants

Smith, A., Picciano, M., & Deering, R. (1985) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/41.3.590 · Cited by 61 · see citing works

The use of metronidazole in management of methylmalonic and propionic acidaemias

Thompson, G. N., CHALMERS, R. A., Walter, J. H., Bresson, J., Lyonnet, S., Reed, P. J., Saudubray, J., Leonard, J. V., & Halliday, D. (1990) · European Journal of Pediatrics · doi:10.1007/bf01957284 · Cited by 60 · see citing works

Serum vitamin B12 levels in parturients, in the intervillous space of the placenta and in full-term newborns and their interrelationships with folate levels

Giugliani, E., Jorge, S., & Al, G. (1985) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/41.2.330 · Cited by 56 · see citing works

Nutritional infantile vitamin B12 deficiency: pathobiochemical considerations in seven patients

Roschitz, B. (2005) · Archives of Disease in Childhood Fetal & Neonatal · doi:10.1136/adc.2004.061929 · Cited by 55 · see citing works

Biochemical indexes of the B vitamins in cord serum are predicted by maternal B vitamin status

Obeid, R., Munz, W., Jäger, M., Schmidt, W., & Herrmann, W. (2005) · American Journal of Clinical Nutrition · doi:10.1093/ajcn.82.1.133 · Cited by 54 · see citing works

Changes in basal and postmethionine load concentrations of total homocysteine and cystathionine after B vitamin intervention

Bleie, Ø., Refsum, H., Ueland, P. M., Vollset, S. E., Guttormsen, A. B., Nexø, E., Schneede, J., Nordrehaug, J. E., & Nygard, O. K. (2004) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/80.3.641 · Cited by 48 · see citing works

Premature infants require additional folate and vitamin B-12 to reduce the severity of the anemia of prematurity

Worthington-White, D., Behnke, M., & Gross, S. (1994) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/60.6.930 · Cited by 47 · see citing works

Biochemical indexes of the B vitamins in cord serum are predicted by maternal B vitamin status

Obeid, R., Munz, W., Jäger, M., et al. (2005) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/82.1.133 · Cited by 47 · see citing works

Vitamin B12 among parturients and their newborns and its relationship with birthweight

Fréry, N., Huel, G., Leroy, M., Moreau, T., Savard, R., Blot, P., & Lellouch, J. (1992) · European Journal of Obstetrics & Gynecology and Reproductive Biology · doi:10.1016/0028-2243(92)90076-b · Cited by 45 · see citing works

5-Methyltetrahydrofolate homocysteine cobalamin methyltransferase in human bone marrow and its relationship to pernicious anemia

Taylor, R. T., Hanna, M. L., & Hutton, J. J. (1974) · Archives of Biochemistry and Biophysics · doi:10.1016/0003-9861(74)90308-7 · Cited by 41 · see citing works

B Vitamins: Proposed Fortification Levels for Complementary Foods for Young Children

Allen, L. H. (2003) · Journal of Nutrition · doi:10.1093/jn/133.9.3000s · Cited by 40 · see citing works

Stable isotope studies in propionic and methylmalonic acidaemia

Leonard, J. V. (1997) · European Journal of Pediatrics · doi:10.1007/pl00014275 · Cited by 39 · see citing works

Urinary methylmalonic acid excretion in infants fed formula or human milk

Specker, B., Brazerol, W., Ho, M., & Norman, E. (1990) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/51.2.209 · Cited by 39 · see citing works

HOMOCYSTINURIA AND ORGANIC ACIDURIA IN A PATIENT WITH VITAMIN-B12 DEFICIENCY

Hollowell, J. G., Hall, W. K., Coryell, M. E., McPherson, J. C., & Hahn, D. A. (1969) · The Lancet · doi:10.1016/s0140-6736(69)90975-1 · Cited by 38 · see citing works

Nutritional Megaloblastic Anemia in Young Turkish Children is Associated With Vitamin B-12 Deficiency and Psychomotor Retardation

Katar, S., Özbek, M., Yaramş, A., & Ecer, S. (2006) · Journal of Pediatric Hematology/Oncology · doi:10.1097/01.mph.0000212958.89091.c0 · Cited by 37 · see citing works

Nutritional Vitamin B12Deficiency in Infancy: Three Case Reports and a Review of the Literature

Doyle, J., Langevin, A. M., & Zipursky, A. (1989) · Pediatric Hematology and Oncology · doi:10.3109/08880018909034282 · Cited by 30 · see citing works

Inborn errors of cobalamin metabolism: Effect of cobalamin supplementation in culture on methylmalonyl CoA mutase activity in normal and mutant human fibroblasts

Willard, H. F., & Rosenberg, L. E. (1979) · Biochemical Genetics · doi:10.1007/bf00484474 · Cited by 27 · see citing works

Folate Nutrition is Optimal in Exclusively Breast-Fed Infants but Inadequate in Some of Their Mothers and in Formula-Fed Infants

Salmenperä, L., Perheentupa, J., & Siimes, M. A. (1986) · Journal of Pediatric Gastroenterology and Nutrition · doi:10.1097/00005176-198605020-00021 · Cited by 27 · see citing works

Prevalence of anemia, iron, folic acid and vitamin B12 deficiency in two Bari Indian communities from western Venezuela.

Diez‐Ewald, M., Torres-Guerra, E., Layrisse, M., Leets, I., Vizcaíno, G., & Arteaga-Vizcaíno, M. (1997) · PubMed · Cited by 26 · see citing works

Impact of Vitamin B-12 Deficiency During Lactation on Maternal and Infant Health

Allen, L. H. (2002) · Advances in experimental medicine and biology · doi:10.1007/978-1-4615-0559-4_6 · Cited by 23 · see citing works

Severe nutritional vitamin deficiency in a breast-fed infant of a vegan mother

de Jong, R. B., Bekhof, J., Roorda, R. J., & Zwart, P. (2005) · European Journal of Pediatrics · doi:10.1007/s00431-004-1613-8 · Cited by 21 · see citing works

NUTRITIONAL VITAMIN B12DEFICIENCY IN HOSPITALIZED YOUNG CHILDREN

Çetinkaya, F., Yildirmak, Y., Kutluk, G., & Eralp, E. E. (2006) · Pediatric Hematology and Oncology · doi:10.1080/08880010601001370 · Cited by 21 · see citing works

Plasma total homocysteine increases from day 20 to 40 in breastfed but not formula-fed low-birthweight infants

Fokkema, M. R., Woltil, H. A., van Beusekom, C. M., Schaafsma, A., Dijck-Brouwer, J., & Muskiet, F. (2002) · Acta Paediatrica · doi:10.1111/j.1651-2227.2002.tb03268.x · Cited by 20 · see citing works

Vitamin B12 levels in human milk during the first nine months of lactation.

Ford, C., Rendle, M. A., Tracy, M. B., Richardson, V., & Ford, H. C. (1996) · PubMed · Cited by 16 · see citing works

Failure to thrive is an early symptom of the imerslund Gräsbeck syndrome.

Wulffraat, N. M., Schryver, J. E. A. R. D., Bruin, M. C. A., van Pinxteren-Nagler, E., & van Dijken, P. J. (1994) · PubMed · Cited by 13 · see citing works

Elevation of serum cystathionine levels in patients with cobalamin and folate deficiency

Stabler, S., Lindenbaum, J., Savage, D., et al. (1993) · Blood · doi:10.1182/blood.v81.12.3404.bloodjournal81123404 · Cited by 13 · see citing works

Answer to Hypotonia: A Simple Hemogram

Kanra, G., Çetin, M., Ünal, Ş., Haliloğlu, G., Akça, T., Akalan, N., & Kara, A. (2005) · Journal of Child Neurology · doi:10.1177/08830738050200111501 · Cited by 9 · see citing works

Total homocysteine is making its way into pediatric laboratory diagnostics

Ueland, P. M., & Monsen, A. B. (2001) · European Journal of Clinical Investigation · doi:10.1046/j.1365-2362.2001.00918.x · Cited by 5 · see citing works

Biomarkers of Nutrition for Development—Folate Review

Bailey, L. B., Stover, P. J., McNulty, H., Fenech, M. F., Gregory, J. F., Mills, J. L., Pfeiffer, C. M., Fazili, Z., Zhang, M., Ueland, P. M., et al. (2015) · Journal of Nutrition · doi:10.3945/jn.114.206599 · Cited by 1,147 · see citing works

Vitamin B12 deficiency

Green, R., Allen, L. H., Bjørke-Monsen, A.-L., Brito, A., Guéant, J.-L., Miller, J. W., Molloy, A. M., Nexo, E., Stabler, S., Toh, B.-H., et al. (2017) · Nature Reviews Disease Primers · doi:10.1038/nrdp.2017.40 · Cited by 970 · see citing works

ESPEN micronutrient guideline

Berger, M. M., Shenkin, A., Schweinlin, A., Amrein, K., Augsburger, M., Biesalski, H.-K., Bischoff, S. C., Casaer, M. P., Gundogan, K., Lepp, H.-L., et al. (2022) · Clinical Nutrition · doi:10.1016/j.clnu.2022.02.015 · Cited by 615 · see citing works

Biomarkers and Algorithms for the Diagnosis of Vitamin B12 Deficiency

Hannibal, L., Lysne, V., Bjørke‐Monsen, A., Behringer, S., Grünert, S. C., Spiekerkoetter, U., Jacobsen, D. W., & Blom, H. J. (2016) · Frontiers in Molecular Biosciences · doi:10.3389/fmolb.2016.00027 · Cited by 372 · see citing works

Scientific Opinion on nutrient requirements and dietary intakes of infants and young children in the European Union

EFSA Panel on Dietetic Products, N. A. A. (. (2013) · EFSA Journal · doi:10.2903/j.efsa.2013.3408 · Cited by 363 · see citing works

Programming infant gut microbiota: influence of dietary and environmental factors

Marques, T. M., Wall, R., Ross, R. P., Fitzgerald, G. F., Ryan, C. A., & Stanton, C. (2010) · Current Opinion in Biotechnology · doi:10.1016/j.copbio.2010.03.020 · Cited by 314 · see citing works

Biomarkers of cobalamin (vitamin B-12) status in the epidemiologic setting: a critical overview of context, applications, and performance characteristics of cobalamin, methylmalonic acid, and holotranscobalamin II

Carmel, R. (2011) · American Journal of Clinical Nutrition · doi:10.3945/ajcn.111.013441 · Cited by 259 · see citing works

Vitamin B-12 Supplementation during Pregnancy and Early Lactation Increases Maternal, Breast Milk, and Infant Measures of Vitamin B-12 Status

Duggan, C., Srinivasan, K., Thomas, T. S., Samuel, T. M., Rajendran, R., Muthayya, S., Finkelstein, J. L., Lukose, A., Fawzi, W. W., Allen, L. H., et al. (2014) · Journal of Nutrition · doi:10.3945/jn.113.187278 · Cited by 165 · see citing works

Vitamin B12status in health and disease: a critical review. Diagnosis of deficiency and insufficiency – clinical and laboratory pitfalls

Sobczyńska‐Malefora, A., DELVIN, E. E., McCaddon, A., Ahmadi, K. R., & Harrington, D. J. (2021) · Critical Reviews in Clinical Laboratory Sciences · doi:10.1080/10408363.2021.1885339 · Cited by 181 · see citing works

Vitamin B-12 status in infancy is positively associated with development and cognitive functioning 5 y later in Nepalese children

Kvestad, I., Hysing, M., Shrestha, M., Ulak, M., Thorne-Lyman, A. L., Henjum, S., Ueland, P. M., Midttun, Ø., Fawzi, W., Chandyo, R. K., et al. (2017) · The American Journal of Clinical Nutrition · doi:10.3945/ajcn.116.144931 · Cited by 92 · see citing works

Cobalamin and haptocorrin in human milk and cobalamin-related variables in mother and child: a 9-mo longitudinal study

Greibe, E., Lildballe, D. L., Streym, S. V., Vestergaard, P., Rejnmark, L., Mosekilde, L., & Nexø, E. (2013) · American Journal of Clinical Nutrition · doi:10.3945/ajcn.113.058479 · Cited by 81 · see citing works

Cobalamin supplementation improves motor development and regurgitations in infants: results from a randomized intervention study

Torsvik, I., Ueland, P. M., Markestad, T., & Bjørke-Monsen, A.-L. (2013) · The American Journal of Clinical Nutrition · doi:10.3945/ajcn.113.061549 · Cited by 74 · see citing works

Regional Brain Morphometry and Impulsivity in Adolescents Following Prenatal Exposure to Cocaine and Tobacco

Liu, J., Lester, B. M., Akyuz, N., Sheinkopf, S. J., Gracia, L., Kekatpure, M. V., & Kosofsky, B. E. (2013) · Archives of Pediatrics and Adolescent Medicine · doi:10.1001/jamapediatrics.2013.550 · Cited by 73 · see citing works

Motor development related to duration of exclusive breastfeeding, B vitamin status and B12 supplementation in infants with a birth weight between 2000-3000 g, results from a randomized intervention trial

Torsvik, I. K., Ueland, P. M., Markestad, T., Midttun, Ø., & Monsen, A.-L. B. (2015) · BMC Pediatrics · doi:10.1186/s12887-015-0533-2 · Cited by 66 · see citing works

Cobalamin status in children

Bjørke‐Monsen, A., & Ueland, P. M. (2010) · Journal of Inherited Metabolic Disease · doi:10.1007/s10545-010-9119-1 · Cited by 61 · see citing works

Early-life vitamin B12 orchestrates lipid peroxidation to ensure reproductive success via SBP-1/SREBP1 in Caenorhabditis elegans

Qin, S., Wang, Y., Li, L., Liu, J., Xiao, C., Duan, D., Hao, W., Qin, C., Chen, J., Yao, L., et al. (2022) · Cell Reports · doi:10.1016/j.celrep.2022.111381 · Cited by 53 · see citing works

Micronutrient Status and Nutritional Intake in 0‐ to 2‐Year‐old Children Consuming a Cows’ Milk Exclusion Diet

Kvammen, J. A., Thomassen, R. A., Eskerud, M. B., Rugtveit, J., & Henriksen, C. (2018) · Journal of Pediatric Gastroenterology and Nutrition · doi:10.1097/mpg.0000000000001942 · Cited by 42 · see citing works

Megaloblastic Anemias

Antony, A. C. (2017) · Elsevier eBooks · doi:10.1016/b978-0-323-35762-3.00039-1 · Cited by 32 · see citing works

Maternal Serum Cobalamin at 18 Weeks of Pregnancy Predicts Infant Cobalamin Status at 6 Months—A Prospective, Observational Study

Varsi, K., Ueland, P. M., Torsvik, I. K., & Bjørke‐Monsen, A. (2018) · Journal of Nutrition · doi:10.1093/jn/nxy028 · Cited by 30 · see citing works

Health Outcomes of Infants with Vitamin B12 Deficiency Identified by Newborn Screening and Early Treated

Mütze, U., Walter, M. E., Keller, M. K., Gramer, G., Garbade, S. F., Gleich, F., Haas, D., Posset, R., Grünert, S. C., Hennermann, J. B., et al. (2021) · The Journal of Pediatrics · doi:10.1016/j.jpeds.2021.02.009 · Cited by 29 · see citing works

The nutritional requirements of infants. Towards EU alignment of reference values: the EURRECA network

Hermoso, M., Tabacchi, G., Iglesia, I., Bel‐Serrat, S., Moreno, L. A., García‐Santos, Y., García‐Luzardo, M. D. R., Santana‐Salguero, B., Quintana, L. P., Serra‐Majem, L., et al. (2010) · Maternal and Child Nutrition · doi:10.1111/j.1740-8709.2010.00262.x · Cited by 28 · see citing works

Vitamin B12 deficiency as a cause of severe neurological symptoms in breast fed infant – a case report

Dubaj, C., Czyż, K., & Furmaga-Jabłońska, W. (2020) · The Italian Journal of Pediatrics/Italian journal of pediatrics · doi:10.1186/s13052-020-0804-x · Cited by 27 · see citing works

The prevalence and clinical relevance of hyperhomocysteinemia suggesting vitamin B12 deficiency in presumed healthy infants

Ljungblad, U. W., Paulsen, H., Mørkrid, L., Pettersen, R. D., Hager, H. B., Lindberg, M., Astrup, H., Eklund, E. A., Bjørke‐Monsen, A., Rootwelt, T., et al. (2021) · European Journal of Paediatric Neurology · doi:10.1016/j.ejpn.2021.10.008 · Cited by 24 · see citing works

The silent tragic reality of Hidden Hunger, anaemia, and neural-tube defects (NTDs) in India

Antony, A. C., Vora, R. M., & Karmarkar, S. J. (2022) · The Lancet Regional Health - Southeast Asia · doi:10.1016/j.lansea.2022.100071 · Cited by 28 · see citing works

Cobalamin and Folate Status among Breastfed Infants in Bhaktapur, Nepal

Chandyo, R., Ulak, M., Kvestad, I., Hysing, M., Shrestha, M., Ranjitkar, S., Ulvik, A., Ueland, P. M., Shrestha, L., & Strand, T. A. (2018) · Nutrients · doi:10.3390/nu10050639 · Cited by 22 · see citing works

Compromised Vitamin B12 Status of Indian Infants and Toddlers

Bentu Kalyan, G., Mittal, M., & Jain, R. (2020) · Food and Nutrition Bulletin · doi:10.1177/0379572120950886 · Cited by 21 · see citing works

Vitamin B12 Deficiency in Pregnancy and Lactation: Is there a Need for Pre and Post-natal Supplementation?

Siddiqua, T. J. (2014) · Journal of Nutritional Disorders & Therapy · doi:10.4172/2161-0509.1000142 · Cited by 18 · see citing works

Maternal Vitamin B 12 Status and Risk of Cleft Lip and Cleft Palate Birth Defects in Tamil Nadu State, India

Munger, R. G., Kuppuswamy, R., Murthy, J., Balakrishnan, K., Thangavel, G., Sambandam, S., Kurpad, A. V., Molloy, A. M., Ueland, P. M., & Mossey, P. A. (2021) · The Cleft Palate-Craniofacial Journal · doi:10.1177/1055665621998394 · Cited by 17 · see citing works

Dietary Intake and Biomarkers of Folate and Cobalamin Status in Norwegian Preschool Children: The FINS-KIDS Study

Solvik, B. S., Strand, T. A., Kvestad, I., Markhus, M. W., Ueland, P. M., McCann, A., & Øyen, J. (2020) · Journal of Nutrition · doi:10.1093/jn/nxaa111 · Cited by 16 · see citing works

Breastfed Infants With Spells, Tremor, or Irritability: Rule Out Vitamin B12 Deficiency

Ljungblad, U. W., Astrup, H., Mørkrid, L., Hager, H. B., Lindberg, M., Eklund, E. A., Bjørke‐Monsen, A., Rootwelt, T., & Tangeraas, T. (2022) · Pediatric Neurology · doi:10.1016/j.pediatrneurol.2022.03.003 · Cited by 16 · see citing works

Reconceptualizing in a dual‐system model the effects of prenatal cocaine exposure on adolescent development: a short review

Liu, J., & Lester, B. M. (2011) · International Journal of Developmental Neuroscience · doi:10.1016/j.ijdevneu.2011.09.005 · Cited by 15 · see citing works

Neuro-regression in vitamin B12 deficiency

Agrawal, S., & Nathani, S. (2009) · BMJ Case Reports · doi:10.1136/bcr.06.2008.0235 · Cited by 15 · see citing works

Water-Soluble Vitamins in Human Milk Factors Affecting Their Concentration and Their Physiological Significance

Allen, L. H., & Hampel, D. (2019) · Nestlé Nutrition Institute Workshop series · doi:10.1159/000490296 · Cited by 14 · see citing works

Vitamin B12 Deficiency (Un-)Detected Using Newborn Screening in Norway

Tangeraas, T., Ljungblad, U. W., Lutvica, E., Kristensen, E., Rowe, A. D., Bjørke‐Monsen, A., Rootwelt-Revheim, T., Sæves, I., & Pettersen, R. D. (2023) · International Journal of Neonatal Screening · doi:10.3390/ijns9010003 · Cited by 15 · see citing works

Diagnostic Challenges Using a 2-Tier Strategy for Methylmalonic Acidurias: Data from 1.2 Million Dried Blood Spots

Weiß, K. J., Röschinger, W., Blessing, H., Lotz-Havla, A. S., Schiergens, K. A., & Maier, E. M. (2020) · Annals of Nutrition and Metabolism · doi:10.1159/000508838 · Cited by 13 · see citing works

Assessment of vitamin B6 status in never-pregnant, pregnant and postpartum women and their infants

Bjørke‐Monsen, A., Varsi, K., Sakkestad, S. T., Ulvik, A., & Ueland, P. M. (2022) · European Journal of Nutrition · doi:10.1007/s00394-022-03033-4 · Cited by 12 · see citing works

Vitamin B12 – a scoping review for Nordic Nutrition Recommendations 2023

Bjørke‐Monsen, A., & Lysne, V. (2023) · Food & Nutrition Research · doi:10.29219/fnr.v67.10257 · Cited by 14 · see citing works

Three-month B vitamin supplementation in pre-school children affects folate status and homocysteine, but not cognitive performance

Rauh-Pfeiffer, A., Handel, U., Demmelmair, H., Peißner, W., Niesser, M., Moretti, D., Martens, V. E. G., Wiseman, S. A., Weichert, J., Heene, M., et al. (2014) · European Journal of Nutrition · doi:10.1007/s00394-013-0647-y · Cited by 12 · see citing works

Neurologic symptoms as the only manifestation of B12deficiency in a young patient with normal hematocrit, MCV, peripheral blood smear and homocysteine levels

Voukelatou, P., Vrettos, I., & Kalliakmanis, A. (2016) · Oxford Medical Case Reports · doi:10.1093/omcr/omw091 · Cited by 11 · see citing works

A Retrospective Evaluation of the Predictive Value of Newborn Screening for Vitamin B12 Deficiency in Symptomatic Infants Below 1 Year of Age

Ljungblad, U. W., Lindberg, M., Eklund, E. A., Sæves, I., Sagredo, C., Bjørke‐Monsen, A., & Tangeraas, T. (2022) · International Journal of Neonatal Screening · doi:10.3390/ijns8040066 · Cited by 10 · see citing works

An infant and mother with severe B12 deficiency: vitamin B12 status assessment should be determined in pregnant women with anaemia

Sobczyńska‐Malefora, A., Ramachandran, R., Cregeen, D. P., Green, E., Bennett, P. R., Harrington, D. J., & Lemonde, H. A. (2017) · European Journal of Clinical Nutrition · doi:10.1038/ejcn.2017.85 · Cited by 10 · see citing works

Is exclusive breastfeeding ensuring an optimal micronutrient status and psychomotor development in infants?

Bjørke‐Monsen, A. (2014) · Clinical Biochemistry · doi:10.1016/j.clinbiochem.2014.05.022 · Cited by 9 · see citing works

Association between vitamin B12intake and EURRECA's prioritized biomarkers of vitamin B12in young populations: a systematic review

Iglesia, I., Dhonukshe-Rutten, R. A. M., Bel‐Serrat, S., Doets, E. L., Cavelaars, A. E. J. M., Veer, P. V. ’., Nissensohn, M., Benetou, V., Hermoso, M., Berti, C., et al. (2012) · Public Health Nutrition · doi:10.1017/s1368980012003953 · Cited by 9 · see citing works

The effect of folinic acid supplementation on homocysteine concentrations in newborns

Hogeveen, M., den Heijer, M., Schönbeck, Y., IJland, M. M., van Oppenraaij, D., Gunnewiek, J. K., & Blom, H. J. (2010) · European Journal of Clinical Nutrition · doi:10.1038/ejcn.2010.155 · Cited by 9 · see citing works

Defining Optimal Cobalamin Status for Neonates and Infants

Bjørke‐Monsen, A. (2024) · Food and Nutrition Bulletin · doi:10.1177/03795721241227782 · Cited by 9 · see citing works

Growth and Nutritional Biomarkers in Brazilian Infants with Cow’s Milk Allergy at Diagnosis and 18-Month Follow-Up: A Prospective Cohort Study

Jardim‐Botelho, A., Martins, T. G., Franco, J. M., Meyer, R. W., Vieira, S. C. F., Protásio, B. K. P. F., Silva, M., Pontes, R. S., de Oliveira, M. B. B., Barreto, Í. D. D. C., et al. (2023) · Pediatric Gastroenterology Hepatology & Nutrition · doi:10.5223/pghn.2023.26.6.355 · Cited by 8 · see citing works

Vitamin B 12 status in infancy and the effect of a vitamin B 12 injection in infants with subclinical vitamin B 12 deficiency: study protocol for a register-based randomised controlled trial

Bakken, K. S., Kvestad, I., Bjørkevoll, S. M. G., Solvik, B. S., Kaldenbach, S., McCann, A., Holten-Andersen, M., Ersvær, E., Konijnenberg, C., & Strand, T. A. (2023) · BMJ Open · doi:10.1136/bmjopen-2022-069102 · Cited by 7 · see citing works

Relationship between vitamin B12 levels and motor development: A systematic review

dos Santos, M. E. R. A., da Silva, K. G., Souza, A. P. D. S., da Silva, A. B. J., da Silva, R. F., da Silva, É. H. A., de Souza, S. L., & Barros, W. M. A. (2024) · Clinical Nutrition ESPEN · doi:10.1016/j.clnesp.2024.06.026 · Cited by 7 · see citing works

Biochemical signs of impaired cobalamin function do not affect hematological parameters in young infants: results from a double-blind randomized controlled trial

Jenssen, H. B., Torsvik, I. K., Ueland, P. M., Midttun, Ø., & Bjørke‐Monsen, A. (2013) · Pediatric Research · doi:10.1038/pr.2013.101 · Cited by 6 · see citing works

Vitamin B12 and Folate Status in Pregnant Females and Their Infants in Norway: Secondary Analysis from the Mommy’s Food Study

Bjørkevoll, S. M. G., Konijnenberg, C., Kvestad, I., McCann, A., Ueland, P. M., Sleire, S. N., Dahl, L., Kjellevold, M., Strand, T. A., & Markhus, M. W. (2023) · Journal of Nutrition · doi:10.1016/j.tjnut.2023.10.013 · Cited by 6 · see citing works

Serum Vitamin B12 Concentrations among Mothers and Newborns and Follow-up Study to Assess Implication on the Growth Velocity and the Urinary Methylmalonic Acid Excretion

Hussein, L., Aziz, S. A. A., Tapouzada, S., & Boehles (2009) · International Journal for Vitamin and Nutrition Research · doi:10.1024/0300-9831.79.56.297 · Cited by 6 · see citing works

Folate–Vitamin B12 Interrelationships

Molloy, A. M. (2009) · CRC Press eBooks · doi:10.1201/9781420071252-c15 · Cited by 6 · see citing works

Infant vitamin B12 status and its predictors – cross-sectional baseline results from an ongoing randomized controlled trial

Bjørkevoll, S. M. G., O’Keeffe, M., Konijnenberg, C., Solvik, B. S., Sodal, A. M., Kaldenbach, S., McCann, A., Ueland, P. M., Kvestad, I., Ersvær, E., et al. (2025) · American Journal of Clinical Nutrition · doi:10.1016/j.ajcnut.2025.06.029 · Cited by 5 · see citing works

Plasma vitamin B12 concentration is positively associated with cognitive development in healthy Danish 3-year-old children: the SKOT cohort studies

Larnkjær, A., Christensen, S. H., Lind, M. V., Michaelsen, K. F., & Mølgaard, C. (2021) · British Journal Of Nutrition · doi:10.1017/s0007114521004888 · Cited by 5 · see citing works

One-carbon metabolism and chemotherapy-induced toxicities in patients with stage II–III colorectal cancer: a prospective cohort study

Zwart, N. R. K., van Duijnhoven, F. J. B., Wesselink, E., Lubberman, F. J. E., Ulrich, C. M., McKay, J. A., van Halteren, H. K., McCann, A., Ueland, P. M., Kampman, E., et al. (2026) · American Journal of Clinical Nutrition · doi:10.1016/j.ajcnut.2026.101457 · Cited by 4 · see citing works

Vitamin B Complex Deficiency and Excess

Sachdev, H. S., & Shah, D. (2011) · Elsevier eBooks · doi:10.1016/b978-1-4377-0755-7.00046-4 · Cited by 4 · see citing works

A variety of abnormal movements in 13 cases with nutritional cobalamin deficiency in infants

Yaramış, A. (2020) · Medical Hypotheses · doi:10.1016/j.mehy.2020.109796 · Cited by 3 · see citing works

The Benefit of Detecting Reduced Intracellular B12 Activity through Newborn Screening Remains Unclear

Knöpfli, S., Goeschl, B., Zeyda, M., Baghdasaryan, A., Baumgartner-Kaut, M., Baumgartner, M. R., Herle, M., Margreitter, J., Poms, M., Wortmann, S. B., et al. (2024) · International Journal of Neonatal Screening · doi:10.3390/ijns10020040 · Cited by 3 · see citing works

Vegetarianism and Other Restricted Diets

Antony, A. C. (2019) · Cambridge University Press eBooks · doi:10.1017/9781139023993.014 · Cited by 3 · see citing works

Breastfeeding and biomarkers of folate and cobalamin status in Norwegian infants: a cross-sectional study

Solvik, B. S., Bakken, K. S., McCann, A., Ueland, P. M., Henjum, S., & Strand, T. A. (2024) · Journal of Nutritional Science · doi:10.1017/jns.2024.54 · Cited by 3 · see citing works

Newborn Screening Alone Cannot Prevent Most Cases of Severe Vitamin B12 Deficiency in the First Year of Life

Kaufman, C., Margreitter, J., Herle, M., Bonfig, W., Däster, C., Heinrich, B., Karall, D., Kogler, H., Konstantopoulou, V., Laemmle, A., et al. (2025) · Nutrients · doi:10.3390/nu17223583 · Cited by 3 · see citing works

Severe Vitamin B12 Deficiency in a 7-Month-Old Boy

Tan, M. L., Goh, M. C., Fu, K. X., Aw, M. H., Quak, S. H., & Goh, D. L. M. (2015) · Annals of the Academy of Medicine Singapore · doi:10.47102/annals-acadmedsg.v44n3p109 · Cited by 1 · see citing works

Cobalamin supplementation improves motor development and regurgitations in infants: results from a randomized

Torsvik, I. K., Ueland, P. M., Markestad, T., & Bjørke‐Monsen, A. (2013)

Måling av metylmalonsyre, homocystein og metionin ved kobalamin- og folatmangel og homocystinuri690-3

Ueland, P. M., & Schneede, J. (2008) · Tidsskrift for Den Norske Laegeforening

B vitamin status from term to 12 months corrected age in infants born premature with very low birth weightPreprint

Bjørke‐Monsen, A., Torsvik, I. K., Bentsen, M. H. L., Halvorsen, T., & Ueland, P. M. (2025) · Research Square · doi:10.21203/rs.3.rs-7600298/v1

Exclusive Breastfeeding Is Not Ensuring an Adequate Vitamin B Status in Premature Infants with Very Low Birth Weight

Bjørke‐Monsen, A., Torsvik, I. K., Bentsen, M. H. L., Halvorsen, T., & Ueland, P. M. (2026) · Nutrients · doi:10.3390/nu18030423

EFFECT OF COBALAMIN SUPPLEMENTATION IN INFANTS: A RANDOMIZED, CONTROLLED TRIAL

Monsen, A.-L. B., Torsvik, I. K., Sζtran, H., Markestad, T., & Ueland, P. M. (2008) · PEDIATRICS · doi:10.1542/peds.2007-2022vv · Cited by 1 · see citing works

Cobalamin Status and Its Biochemical Markers Methylmalonic Acid and Homocysteine in Different Age Groups from 4 Days to 19 Years

Monsen, A.-L. B., Refsum, H., Markestad, T., & Ueland, P. M. (2003) · Clinical Chemistry · doi:10.1373/clinchem.2003.019869 · Cited by 135 · see citing works

Determinants of Cobalamin Status in Newborns

Monsen, A.-L. B., Ueland, P. M., Vollset, S. E., Guttormsen, A. B., Markestad, T., Solheim, E., & Refsum, H. (2001) · PEDIATRICS · doi:10.1542/peds.108.3.624 · Cited by 153 · see citing works

Cobalamin status in children

Bjørke‐Monsen, A., & Ueland, P. M. (2010) · Journal of Inherited Metabolic Disease · doi:10.1007/s10545-010-9119-1 · Cited by 61 · see citing works

Cobalamin and Folate Status among Breastfed Infants in Bhaktapur, Nepal

Chandyo, R., Ulak, M., Kvestad, I., Hysing, M., Shrestha, M., Ranjitkar, S., Ulvik, A., Ueland, P. M., Shrestha, L., & Strand, T. A. (2018) · Nutrients · doi:10.3390/nu10050639 · Cited by 22 · see citing works