title: [The patellofemoral joint].
authors.forename: J
authors.initials: J
authors.lastname: Grifka
authors.forename: H-R
authors.initials: HR
authors.lastname: Springorum
mesh_terms: D019645:Arthroplasty, Replacement, Knee; D006801:Humans; D020370:Osteoarthritis, Knee / Q000175:diagnosis* / Q000601:surgery*; D017847:Patellar Ligament / Q000293:injuries* / Q000601:surgery*; D057071:Patellofemoral Joint / Q000293:injuries* / Q000601:surgery*