29-gauge spinal needles.
Carrie
L E
LE
Collins
P D
PD
D000767:Anesthesia, Epidural / Q000295:instrumentation*; D000773:Anesthesia, Obstetrical / Q000295:instrumentation*; D000775:Anesthesia, Spinal / Q000295:instrumentation*; D004388:Dura Mater / Q000293:injuries; D005260:Female; D006261:Headache / Q000517:prevention & control; D006801:Humans; D009339:Needles; D011247:Pregnancy