title: Pain relief in myocardial infarction after continuous epidural morphine analgesia.
mesh_terms: D000368:Aged; D000698:Analgesia / Q000379:methods*; D002986:Clinical Trials as Topic; D004824:Epidural Space; D006801:Humans; D007267:Injections; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage*; D009203:Myocardial Infarction / Q000150:complications*; D010146:Pain / Q000188:drug therapy*
chemical_list: D009020:Morphine