Spontaneous osteonecrosis of the knee.
D000368:Aged; D001706:Biopsy; D001847:Bone Diseases / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000209:etiology / Q000473:pathology / Q000628:therapy; D005260:Female; D005269:Femur; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D009336:Necrosis; D010003:Osteoarthritis / Q000209:etiology; D010146:Pain / Q000175:diagnosis; D011859:Radiography; D011877:Radionuclide Imaging; D013324:Strontium
D013324:Strontium