1. Photobiology of vitamin D;Holick,1997
2. Is vitamin D deficiency a risk factor for prostate cancer? (Hypothesis);Schwartz;Anticancer Res.,1990
3. Vitamin D insufficiency in adults and the elderly;Chapuy,1997
4. Racial, geographic, genetic, and body habitus effects on vitamin D metabolism;Mitra,1997
5. The vitamin D 25-hydroxylase;Gascon-Barre,1997