title: Needle-through-needle technique.
authors.forename: F R
authors.initials: FR
authors.lastname: Berry
mesh_terms: D000767:Anesthesia, Epidural / Q000295:instrumentation / Q000379:methods; D000775:Anesthesia, Spinal / Q000295:instrumentation* / Q000379:methods; D004867:Equipment Design; D006801:Humans; D009339:Needles; D013499:Surface Properties