Gregory P. Levin

Genetic Variants and Associations of 25-Hydroxyvitamin D Concentrations With Major Clinical Outcomes

Gregory P. Levin, Cassianne Robinson‐Cohen, Ian H. de Boer et al. · JAMA · 2012 · 188 citations · Full text

Life Sciences, Genetics, Molecular Genetics +14

Estimating mean annual 25-hydroxyvitamin D concentrations from single measurements: the Multi-Ethnic Study of Atherosclerosis

Michael C. Sachs, Abigail B. Shoben, Gregory P. Levin et al. · American Journal of Clinical Nutrition · 2013 · 171 citations · Full text

Life Sciences, Nutritional Sciences, Dietary Assessment +12

The serum 24,25-dihydroxyvitamin D concentration, a marker of vitamin D catabolism, is reduced in chronic kidney disease

Cortney Bosworth, Gregory P. Levin, Cassianne Robinson‐Cohen et al. · Kidney International · 2012 · 161 citations · Full text

Medicine, Biochemistry, Nephrology +14

Adaptive clinical trial designs with pre‐specified rules for modifying the sample size: understanding efficient types of adaptation

Gregory P. Levin, Sarah C. Emerson, Scott S. Emerson · Statistics in Medicine · 2012 · 28 citations

Public Health, Biostatistics, Clinical Trial Regulation +16

Incidence of otosclerosis.

Gregory P. Levin, P Fabian, J. Stahle · PubMed · 1988 · 25 citations

Medicine, Otolaryngology, Surgery +13