Janzen, Nils

Newborn screening for congenital adrenal hyperplasia: additional steroid profile using liquid chromatography-tandem mass spectrometry

Janzen, N., Peter, M., Sander, S., Steuerwald, U., Terhardt, M., Holtkamp, U., & Sander, J. (2007) · The Journal of Clinical Endocrinology & Metabolism

Sexual Differentiation and DisordersAdrenal Hormones and Disorders

Cited by 211

Rapid steroid hormone quantification for congenital adrenal hyperplasia (CAH) in dried blood spots using UPLC liquid chromatography-tandem mass spectrometry

Janzen, N., Sander, S., Terhardt, M., Steuerwald, U., Peter, M., Das, A. M., & Sander, J. (2011) · Steroids

Sexual Differentiation and DisordersAdrenal Hormones and Disorders

Cited by 66

Newborn Screening for Hepatorenal Tyrosinemia: Tandem Mass Spectrometric Quantification of Succinylacetone

Sander, J., Janzen, N., Peter, M., Sander, S., Steuerwald, U., Holtkamp, U., Schwahn, B., Mayatepek, E., Trefz, F. K., & Das, A. M. (2006) · Clinical Chemistry

Metabolism and Genetic DisordersNeonatal Health and Biochemistry

Cited by 62

Neonatal screening: identification of children with 11β-hydroxylase deficiency by second-tier testing

Janzen, N., Riepe, F. G., Peter, M., Sander, S., Steuerwald, U., Korsch, E., Krull, F., Müller, H. L., Heger, S., Brack, C., et al. (2012) · Hormone Research in Paediatrics

Sexual Differentiation and DisordersAdrenal Hormones and Disorders

Cited by 37

Monitoring tyrosinaemia type I: Blood spot test for nitisinone (NTBC)

Sander, J., Janzen, N., Terhardt, M., Sander, S., Gökcay, G., Demirkol, M., Ozer, I., Peter, M., & Das, A. M. (2011) · Clinica Chimica Acta

Metabolism and Genetic DisordersAnalytical Methods in Pharmaceuticals

Cited by 32

The First 4 Years—Outcome of Children Identified by Newborn Screening for CF in Germany

Schütz, K., Kontsendorn, J., Janzen, N., Fuge, J., Grewendorf, S., Klemann, C., Happle, C., Junge, S., Rudolf, I., Dopfer, C., et al. (2022) · Klinische Pädiatrie

Cystic Fibrosis Research AdvancesNeonatal Respiratory Health Research

Cited by 5