title: Orthopedics.
authors.affiliation: Mayo Clinic, Rochester, MN.
authors.forename: B F
authors.initials: BF
authors.lastname: Morrey
mesh_terms: D001178:Arthroplasty / Q000639:trends; D001416:Back Pain / Q000453:epidemiology; D006801:Humans; D009985:Orthopedics / Q000639:trends*; D014481:United States