title: [Primary osteonecrosis of the knee in old people].
mesh_terms: D000368:Aged; D000375:Aging; D001847:Bone Diseases / Q000000981:diagnostic imaging / Q000209:etiology; D002357:Cartilage Diseases / Q000000981:diagnostic imaging / Q000209:etiology; D005260:Female; D006801:Humans; D007592:Joint Diseases; D007717:Knee / Q000000981:diagnostic imaging; D007719:Knee Joint; D008297:Male; D009336:Necrosis / Q000000981:diagnostic imaging / Q000209:etiology; D010007:Osteochondritis; D011859:Radiography
vernacular_title: Primární osteonekróza kolena starých osob.