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