title: Extensor mechanism complications after total knee arthroplasty.
authors.affiliation: Northwestern Medical Faculty, Inc, Chicago, Ill, USA.
authors.forename: S D
authors.initials: SD
authors.lastname: Stulberg
mesh_terms: D006801:Humans; D007720:Knee Prosthesis; D010329:Patella / Q000503:physiopathology / Q000601:surgery; D011183:Postoperative Complications / Q000503:physiopathology* / Q000601:surgery; D011475:Prosthesis Failure; D016059:Range of Motion, Articular / Q000502:physiology*; D012086:Reoperation; D012307:Risk Factors