The effect of epidural analgesia on the frequency of instrumental delivery.
Chestnut
D H
DH
D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D005113:Extraction, Obstetrical / Q000295:instrumentation*; D005260:Female; D006801:Humans; D007748:Labor Stage, Second; D009772:Obstetrical Forceps; D011247:Pregnancy