Pain relief in labour.
Reynolds
F
F
St Thomas's Hospital, London.
D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical / Q000379:methods*; D005260:Female; D006801:Humans; D007744:Obstetric Labor Complications / Q000188:drug therapy*; D010147:Pain Measurement; D011247:Pregnancy