Plasma calcidiol, season, and serum parathyroid hormone concentrations in healthy elderly men and women

Influence of Season and Latitude on the Cutaneous Synthesis of Vitamin D₃: Exposure to Winter Sunlight in Boston and Edmonton Will Not Promote Vitamin D₃Synthesis in Human Skin*

Ann R. Webb, Loren Kline, Michael F. Holick · The Journal of Clinical Endocrinology & Metabolism · 1988 · 1.7K citations

Life Sciences, Biochemistry, Endocrinology +17

Aging decreases the capacity of human skin to produce vitamin D3.

Julia A. MacLaughlin, Michael F. Holick · Journal of Clinical Investigation · 1985 · 1.4K citations · Full text

Medicine, Endocrinology, Nutritional Sciences +17

Evidence for alteration of the vitamin D-endocrine system in obese subjects.

Norman H. Bell, Sol Epstein, A Greene et al. · Journal of Clinical Investigation · 1985 · 682 citations · Full text

Medicine, Endocrinology, Nutrition +17

Effect of calcium and cholecalciferol treatment for three years on hip fractures in elderly women

M C Chapuy, M. Arlot, P D Delmans et al. · BMJ · 1994 · 677 citations

Medicine, Geriatric Medicine, Forensic Pathology +7

Vitamin D Supplementation and Fracture Incidence in Elderly Persons

P. Lips · Annals of Internal Medicine · 1996 · 651 citations

Medicine, Nutrition, Nutritional Sciences +17