title: Epidural analgesia during labour.
authors.forename: R
authors.initials: R
authors.lastname: Russell
mesh_terms: D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical / Q000379:methods*; D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D011247:Pregnancy; D016032:Randomized Controlled Trials as Topic; D012107:Research Design