title: [Arthroscopy and knee osteoarthritis: only a placebo effect?].
authors.affiliation: Orthopädische Universitätsklinik, Aachen.
authors.forename: J A K
authors.initials: JA
authors.lastname: Ohnsorge
authors.forename: U
authors.initials: U
authors.lastname: Maus
authors.forename: M
authors.initials: M
authors.lastname: Weisskopf
authors.forename: R S
authors.initials: RS
authors.lastname: Laskin
mesh_terms: D000368:Aged; D018771:Arthralgia / Q000453:epidemiology* / Q000517:prevention & control*; D001182:Arthroscopy / Q000379:methods / Q000706:statistics & numerical data*; D002986:Clinical Trials as Topic; D015897:Comorbidity; D003646:Debridement; D004311:Double-Blind Method; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D020370:Osteoarthritis, Knee / Q000453:epidemiology* / Q000601:surgery*; D015990:Placebo Effect; D016896:Treatment Outcome; D014481:United States / Q000453:epidemiology; D016138:Walking