title: JAAOS at 20 years: the history of its founding and guiding principles.
authors.forename: John W
authors.initials: JW
authors.lastname: Frymoyer
mesh_terms: D017408:Guidelines as Topic; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009985:Orthopedics / Q000266:history* / Q000458:organization & administration; D012955:Societies, Medical / Q000266:history*