title: Osteoporosis.
mesh_terms: D000368:Aged; D001846:Bone Development; D001842:Bone and Bones / Q000033:anatomy & histology; D002116:Calcitonin / Q000627:therapeutic use; D002118:Calcium / Q000097:blood / Q000172:deficiency; D002136:Calcium, Dietary; D005459:Fluorides / Q000627:therapeutic use; D050723:Fractures, Bone / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D010024:Osteoporosis / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D010281:Parathyroid Hormone / Q000502:physiology; D014807:Vitamin D / Q000502:physiology
chemical_list: D002136:Calcium, Dietary; D010281:Parathyroid Hormone; D014807:Vitamin D; D002116:Calcitonin; D005459:Fluorides; D002118:Calcium