title: Age-dependent bone loss after gastrectomy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002118:Calcium / Q000378:metabolism / Q000652:urine; D002127:Calcium Isotopes; D002648:Child; D002968:Clavicle / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010018:Osteomalacia / Q000000981:diagnostic imaging / Q000209:etiology* / Q000378:metabolism; D010024:Osteoporosis / Q000000981:diagnostic imaging / Q000209:etiology* / Q000378:metabolism; D011178:Postgastrectomy Syndromes; D011859:Radiography
chemical_list: D002127:Calcium Isotopes; D002118:Calcium