Pharmacokinetics of a single, large dose of cholecalciferol

Human serum 25-hydroxycholecalciferol response to extended oral dosing with cholecalciferol

Robert P. Heaney, K. Michael Davies, Tai C. Chen et al. · American Journal of Clinical Nutrition · 2003 · 1.4K citations

Pharmacy, Pharmacokinetics, Pharmacology +6

Effect of four monthly oral vitamin D ₃ (cholecalciferol) supplementation on fractures and mortality in men and women living in the community: randomised double blind controlled trial

Daksha Trivedi · BMJ · 2003 · 1.3K citations

Life Sciences, Immunology, Nutrition +12

Vitamin D₂Is Much Less Effective than Vitamin D₃in Humans

Laura Armas, Bruce W. Hollis, Robert P. Heaney · The Journal of Clinical Endocrinology & Metabolism · 2004 · 1.1K citations

Life Sciences, Nutrition, Nutritional Sciences +12

A possible link between vitamin d deficiency and impaired host defence to mycobacterium tuberculosis

P.D.O. Davies · Tubercle · 1985 · 149 citations

Life Sciences, Immunology, Microbiology +16

Vitamin D Bioavailability: Serum 25-Hydroxyvitamin D Levels in Man after Oral, Subcutaneous, Intramuscular, and Intravenous Vitamin D Administration*

Michael P. Whyte, John G. Haddad, DESMOND D. WALTERS et al. · The Journal of Clinical Endocrinology & Metabolism · 1979 · 102 citations

Pharmacy, Nutritional Sciences, Pharmacology +10