title: Sensitivity of intestinal calcium absorption to prevailing serum 1,25(OH)2-vitamin D concentrations in humans.
mesh_terms: D000328:Adult; D002117:Calcitriol / Q000097:blood*; D002118:Calcium / Q000378:metabolism*; D002136:Calcium, Dietary / Q000378:metabolism; D006801:Humans; D007408:Intestinal Absorption
chemical_list: D002136:Calcium, Dietary; D002117:Calcitriol; D002118:Calcium