title: The electrophysiological principles of the electrical stimulation test in the epidural compartment. Reply.
authors.forename: Clarita
authors.initials: C
authors.lastname: Margarido
authors.forename: Jose C A
authors.initials: JC
authors.lastname: Carvalho
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D016362:Analgesia, Obstetrical / Q000379:methods*; D000779:Anesthetics, Local / Q000008:administration & dosage*; D002045:Bupivacaine / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D011247:Pregnancy
chemical_list: D000779:Anesthetics, Local; D002045:Bupivacaine