[PHENTANYL IN ANALGESIA OF LABOR].
D000698:Analgesia; D000700:Analgesics; D018712:Analgesics, Non-Narcotic; D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D058633:Antipyretics; D005260:Female; D005283:Fentanyl; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy
D000700:Analgesics; D018712:Analgesics, Non-Narcotic; D058633:Antipyretics; D005283:Fentanyl
ANALGESICS AND ANTIPYRETICS; ANESTHESIA, OBSTETRICAL; FENTANYL; LABOR; PREGNANCY
PHENTANYL NELLA ANALGESIA DEL PARTO.