title: Bone disease in the elderly.
mesh_terms: D000367:Age Factors; D000368:Aged; D001847:Bone Diseases / Q000175:diagnosis / Q000209:etiology / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism; D005260:Female; D006801:Humans; D006996:Hypocalcemia / Q000150:complications; D008297:Male; D008593:Menopause; D008875:Middle Aged; D010001:Osteitis Deformans / Q000175:diagnosis / Q000209:etiology; D010018:Osteomalacia / Q000175:diagnosis / Q000209:etiology / Q000378:metabolism; D010024:Osteoporosis / Q000175:diagnosis / Q000209:etiology / Q000378:metabolism; D010710:Phosphates / Q000097:blood; D012737:Sex Factors; D014807:Vitamin D / Q000378:metabolism
chemical_list: D010710:Phosphates; D014807:Vitamin D; D002118:Calcium