title: Unmet need, or need to ration?
authors.forename: F S
authors.initials: FS
authors.lastname: Haddad
mesh_terms: D019644:Arthroplasty, Replacement, Hip / Q000706:statistics & numerical data*; D019645:Arthroplasty, Replacement, Knee / Q000706:statistics & numerical data*; D006801:Humans; D015207:Osteoarthritis, Hip / Q000453:epidemiology* / Q000601:surgery*; D020370:Osteoarthritis, Knee / Q000453:epidemiology* / Q000601:surgery*