Double-blind comparison of morphine and bupivacaine for continuous epidural analgesia in labor.
D000698:Analgesia; D002045:Bupivacaine / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004824:Epidural Space; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009020:Morphine / Q000008:administration & dosage*; D007744:Obstetric Labor Complications / Q000188:drug therapy*; D011247:Pregnancy
D009020:Morphine; D002045:Bupivacaine