title: Psychological characteristics and patient-controlled analgesia.
authors.forename: P M
authors.initials: PM
authors.lastname: McConaghy
mesh_terms: D016058:Analgesia, Patient-Controlled / Q000523:psychology*; D005260:Female; D006801:Humans; D007044:Hysterectomy; D007273:Injections, Intramuscular; D009892:Opium; D010149:Postoperative Pain / Q000517:prevention & control
chemical_list: D009892:Opium