title: Is there a role for test-dosing through the Tuohy needle?
authors.forename: Jonathan H
authors.initials: JH
authors.lastname: Waters
mesh_terms: D000577:Amides / Q000008:administration & dosage; D000767:Anesthesia, Epidural / Q000379:methods*; D000779:Anesthetics, Local / Q000008:administration & dosage*; D002045:Bupivacaine / Q000008:administration & dosage; D005283:Fentanyl / Q000008:administration & dosage; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage; D009339:Needles; D000077212:Ropivacaine
chemical_list: D000577:Amides; D000779:Anesthetics, Local; D000077212:Ropivacaine; D008012:Lidocaine; D005283:Fentanyl; D002045:Bupivacaine