Epidural analgesia during labour.
Kenyon
A P
AP
Seed
P
P
Shennan
A
A
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