title: 29-gauge spinal needles.
authors.forename: L E
authors.initials: LE
authors.lastname: Carrie
authors.forename: P D
authors.initials: PD
authors.lastname: Collins
mesh_terms: 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