title: A MODIFIED TUOHY NEEDLE.
mesh_terms: D000765:Anesthesia, Conduction; D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D006801:Humans; D009339:Needles; D013523:Surgical Equipment
keywords: ANESTHESIA, CONDUCTION; ANESTHESIA, SPINAL; SURGICAL EQUIPMENT