title: Difficult primary total hip arthroplasty: selected surgical exposures.
authors.affiliation: Department of Orthopaedics and Biomechanics, University of Iowa College of Medicine, Iowa City, USA.
authors.forename: J J
authors.initials: JJ
authors.lastname: Callaghan
mesh_terms: D019644:Arthroplasty, Replacement, Hip / Q000379:methods*; D006618:Hip Dislocation, Congenital / Q000601:surgery; D006801:Humans; D010027:Osteotomy / Q000379:methods; D011474:Prosthesis Design