title: Elevation of serum 1,25-dihydroxyvitamin D in response to physiologic doses of vitamin D in vitamin D-deficient infants.
mesh_terms: D001842:Bone and Bones / Q000032:analysis / Q000187:drug effects; D002117:Calcitriol / Q000097:blood*; D004872:Ergocalciferols / Q000031:analogs & derivatives / Q000097:blood; D006801:Humans; D007223:Infant; D008903:Minerals / Q000032:analysis; D011446:Prospective Studies; D012279:Rickets / Q000097:blood* / Q000188:drug therapy; D014807:Vitamin D / Q000627:therapeutic use*
chemical_list: D004872:Ergocalciferols; D008903:Minerals; D014807:Vitamin D; C003564:1,25-dihydroxyergocalciferol; D002117:Calcitriol