Randomized controlled comparison of epidural bupivacaine versus pethidine for analgesia in labour.
Mandal
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NG
D015360:Analgesia, Epidural / Q000009:adverse effects*; D016362:Analgesia, Obstetrical / Q000009:adverse effects*; D002585:Cesarean Section; D005260:Female; D006801:Humans; D011247:Pregnancy; D016032:Randomized Controlled Trials as Topic; D012107:Research Design