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