Patient-controlled analgesia in labour.
A
A
Anand
D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical / Q000379:methods*; D016058:Analgesia, Patient-Controlled / Q000379:methods*; D000075202:Contraindications; D005260:Female; D006801:Humans; D011247:Pregnancy