Epinephrine and epidural narcotics.
D004837:Epinephrine / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008614:Meperidine / Q000008:administration & dosage*; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000188:drug therapy*
D009020:Morphine; D008614:Meperidine; D004837:Epinephrine