title: Biological activity of 25-hydroxyergocalciferol in rats.
mesh_terms: D000818:Animals; D001842:Bone and Bones / Q000378:metabolism; D002118:Calcium / Q000097:blood / Q000378:metabolism*; D002127:Calcium Isotopes; D002762:Cholecalciferol / Q000627:therapeutic use; D004386:Duodenum / Q000378:metabolism; D004872:Ergocalciferols / Q000378:metabolism / Q000627:therapeutic use*; D008297:Male; D051381:Rats; D012279:Rickets / Q000188:drug therapy*; D013261:Sterols / Q000378:metabolism / Q000627:therapeutic use
chemical_list: D002127:Calcium Isotopes; D004872:Ergocalciferols; D013261:Sterols; D002762:Cholecalciferol; D002118:Calcium