[Osteoarthritis: biology and principles of treatment].
D000328:Adult; D000368:Aged; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010003:Osteoarthritis / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000209:etiology / Q000628:therapy; D011859:Radiography