The influence of epidural needle bevel on spread of sensory blockade in the laboring parturient.
Bromage
P R
PR
D015360:Analgesia, Epidural / Q000295:instrumentation / Q000379:methods*; D016362:Analgesia, Obstetrical / Q000295:instrumentation / Q000379:methods*; D004867:Equipment Design; D005260:Female; D006801:Humans; D009339:Needles