title: Patient-controlled analgesia.
authors.forename: Kevin E
authors.initials: KE
authors.lastname: Vorenkamp
authors.forename: Marcel E
authors.initials: ME
authors.lastname: Durieux
mesh_terms: D016058:Analgesia, Patient-Controlled / Q000009:adverse effects; D006801:Humans; D019635:Neurosurgical Procedures; D010149:Postoperative Pain / Q000188:drug therapy; D012131:Respiratory Insufficiency / Q000139:chemically induced