title: [Analgesia with epidural morphine and intramuscular meperidine in the postoperative period of thoracic surgery].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007268:Injections, Epidural; D007273:Injections, Intramuscular; D008297:Male; D008614:Meperidine / Q000008:administration & dosage*; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000188:drug therapy*; D013903:Thoracic Surgery
chemical_list: D009020:Morphine; D008614:Meperidine
vernacular_title: Analgesia con morfina epidural y meperidina intramuscular en el postoperatorio de cirugía torácica.