Hansen, Karl R.

Ecto-5′-Nucleotidase (CD73) Regulation by Hypoxia-Inducible Factor-1 Mediates Permeability Changes in Intestinal Epithelia

Synnestvedt, K., Furuta, G. T., Comerford, K. M., Louis, N., Karhausen, J., Eltzschig, H. K., Hansen, K. R., Thompson, L. F., & Colgan, S. P. (2002) · Journal of Clinical Investigation

Adenosine and Purinergic SignalingBiochemical and Molecular Research

Cited by 660

The effect of antioxidants on male factor infertility: the Males, Antioxidants, and Infertility (MOXI) randomized clinical trial

Steiner, A. Z., Hansen, K. R., Barnhart, K. T., Cedars, M. I., Legro, R. S., Diamond, M. P., Krawetz, S. A., Usadi, R., Baker, V. L., Coward, R. M., et al. (2020) · Fertility and Sterility

Sperm and Testicular FunctionReproductive Health and Technologies

Cited by 213

Racial and ethnic differences in the polycystic ovary syndrome metabolic phenotype

Engmann, L., Jin, S., Sun, F., Legro, R. S., Polotsky, A. J., Hansen, K. R., Coutifaris, C., Diamond, M. P., Eisenberg, E., Zhang, H., et al. (2017) · American Journal of Obstetrics and Gynecology

Ovarian function and disordersDiabetes, Cardiovascular Risks, and Lipoproteins

Cited by 144

On-label and off-label drug use in the treatment of endometriosis

Quaas, A. M., Weedin, E. A., & Hansen, K. R. (2015) · Fertility and Sterility

Endometriosis Research and TreatmentEctopic Pregnancy Diagnosis and Management

Cited by 45

Associations between vitamin D levels and polycystic ovary syndrome phenotypes

Davis, E. M., Peck, J. D., Hansen, K. R., Neas, B. R., & Craig, L. B. (2019) · Minerva Endocrinologica

Ovarian function and disordersVitamin D Research Studies

Cited by 39

Midluteal progesterone: A marker of treatment outcomes in couples with unexplained infertility

Hansen, K. R., Eisenberg, E., Baker, V., Hill, M. J., Chen, S., Talken, S., Diamond, M. P., Legro, R. S., Coutifaris, C., Alvero, R., et al. (2018) · The Journal of Clinical Endocrinology & Metabolism

Reproductive Health and TechnologiesOvarian function and disorders

Cited by 25

The efficiency of single institutional review board review in National Institute of Child Health and Human Development Cooperative Reproductive Medicine Network-initiated clinical trials

Diamond, M. P., Eisenberg, E., Huang, H., Coutifaris, C., Legro, R. S., Hansen, K. R., Steiner, A. Z., Cedars, M., Barnhart, K., Ziolek, T., et al. (2019) · Clinical Trials

Ethics in Clinical ResearchBiomedical Ethics and Regulation

Cited by 16

Poor reproducibility of percentage of normally shaped sperm using the World Health Organization Fifth Edition strict grading criteria

Baker, K. C., Steiner, A. Z., Hansen, K. R., Barnhart, K. T., Cedars, M. I., Legro, R. S., Diamond, M. P., Krawetz, S. A., Usadi, R., Baker, V. L., et al. (2022) · F&S Reports

Sperm and Testicular FunctionMale Reproductive Health Studies

Cited by 14