title: Preface.
authors.affiliation: 210 East 64th Street, New York, NY 10065, USA. Electronic address: gscuderi@nshs.edu.
authors.forename: Giles R
authors.initials: GR
authors.lastname: Scuderi
mesh_terms: D019643:Arthroplasty, Replacement / Q000009:adverse effects; D001803:Blood Transfusion; D006620:Hip Fractures / Q000601:surgery; D006801:Humans; D010149:Postoperative Pain / Q000628:therapy