KEH-SUNG TSAIHeath III H.Kumar R.Riggs B.L.2021-03-102021-03-1019840021-9738https://scholars.lib.ntu.edu.tw/handle/123456789/551587Impaired vitamin D metabolism with aging in women. Possible role in pathogenesis of senile osteoporosisjournal article10.1172/JCI11137363277682-s2.0-0021243085