title: Osteoarthrosis--the mystery crippler.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009656:North America; D010003:Osteoarthritis / Q000453:epidemiology* / Q000209:etiology / Q000503:physiopathology; D010146:Pain / Q000503:physiopathology; D011159:Population Surveillance