title: Patient controlled analgesia: more than a machine.
authors: M
authors: M
authors: McCaffery
mesh_terms: D000328:Adult; D000700:Analgesics / Q000008:administration & dosage*; D002648:Child; D006801:Humans; D007263:Infusions, Parenteral; D007275:Injections, Intravenous; D012646:Self Administration
chemical_list: D000700:Analgesics