title: Rotating the epidural needle: a caution.
authors.forename: L F
authors.initials: LF
authors.lastname: Redick
mesh_terms: D000767:Anesthesia, Epidural / Q000295:instrumentation / Q000379:methods*; D000775:Anesthesia, Spinal / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D009339:Needles; D012399:Rotation