Respiratory depression after extradural fentanyl.
Wang
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D000328:Adult; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D002585:Cesarean Section; D005260:Female; D005283:Fentanyl / Q000009:adverse effects*; D006801:Humans; D011247:Pregnancy; D012131:Respiratory Insufficiency / Q000139:chemically induced*
D005283:Fentanyl