Acute pain management: the role of patient-controlled analgesia.
D000208:Acute Disease; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D006801:Humans; D007275:Injections, Intravenous; D010149:Postoperative Pain / Q000188:drug therapy*; D012646:Self Administration
D000701:Analgesics, Opioid