title: Vitamin D3 in osteoporosis.
mesh_terms: D000368:Aged; D001416:Back Pain / Q000209:etiology; D002118:Calcium / Q000378:metabolism; D002762:Cholecalciferol / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000188:drug therapy*; D013122:Spinal Diseases / Q000188:drug therapy
chemical_list: D002762:Cholecalciferol; D002118:Calcium