title: Challenges of identifying and treating patellofemoral osteoarthritis.
authors.forename: David T
authors.initials: DT
authors.lastname: Felson
mesh_terms: D006801:Humans; D020370:Osteoarthritis, Knee / Q000175:diagnosis* / Q000628:therapy*; D057071:Patellofemoral Joint / Q000503:physiopathology
keywords: Epidemiology; Knee; Osteoarthritis; Treatment