25-Hydroxyvitamin D and calcium absorption.
Robert P
RP
Heaney
D002117:Calcitriol / Q000097:blood; D002118:Calcium / Q000378:metabolism*; D006801:Humans; D007408:Intestinal Absorption; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood / Q000502:physiology
D014807:Vitamin D; C104450:25-hydroxyvitamin D; D002117:Calcitriol; D002118:Calcium