Nutrition classics. Proceedings of the National Academy of Sciences of the United States of America. Volume 68, 1971, pages 803-804. "Identification of 1,25-dihydroxycholecalciferol, a form of vitamin D3 metabolically active in the intestine" by M.F.Holick, H.K. Schnoes and H.F.Deluca.
D000818:Animals; D004100:Dihydroxycholecalciferols / Q000378:metabolism*; D049673:History, 20th Century; D006887:Hydroxycholecalciferols / Q000378:metabolism*; D007413:Intestinal Mucosa / Q000378:metabolism
D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols