Why vitamin D clinical trials should be based on 25-hydroxyvitamin D concentrations

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

The association of solar ultraviolet B (UVB) with reducing risk of cancer: multifactorial ecologic analysis of geographic variation in age-adjusted cancer mortality rates.

William B. Grant, Cedric F. Garland · PubMed · 2006 · 304 citations

Medicine, Health Sciences, Population Health Sciences +17

Calcium and vitamin D supplements and health outcomes: a reanalysis of the Women’s Health Initiative (WHI) limited-access data set

Mark J Bolland, Andrew Grey, Greg Gamble et al. · American Journal of Clinical Nutrition · 2011 · 263 citations · Full text

Medicine, Nutrition, Nutritional Sciences +15

Effect of Vitamin D and Calcium Supplementation on Cancer Incidence in Older Women

Joan M. Lappe, Patrice Watson, Dianne Travers‐Gustafson et al. · JAMA · 2017 · 249 citations

Medicine, Nutrition, Oncology +17

Early pregnancy vitamin D status and risk of preeclampsia

Hooman Mirzakhani, Augusto A. Litonjua, Thomas F. McElrath et al. · Journal of Clinical Investigation · 2016 · 208 citations · Full text

Public Health, Maternal Health, Obstetrics +17