[Postoperative caudal analgesia with morphine in pediatric surgery].
D000698:Analgesia; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007268:Injections, Epidural; D009020:Morphine
D009020:Morphine
Analgesia caudal postoperatoria con morfina en cirugía pediátrica.