Epidural analgesia and the incidence of cesarean section: time for another close look.
Chestnut
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DH
D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical; D000773:Anesthesia, Obstetrical; D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D011247:Pregnancy