title: New avenues of epidural research.
authors.forename: Scott A
authors.initials: SA
authors.lastname: Lang
authors.forename: Ban
authors.initials: B
authors.lastname: Tsui
authors.forename: Thomas
authors.initials: T
authors.lastname: Grau
mesh_terms: D000767:Anesthesia, Epidural / Q000009:adverse effects* / Q000379:methods; D000818:Animals; D004558:Electric Stimulation; D004824:Epidural Space / Q000000981:diagnostic imaging / Q000502:physiology*; D006801:Humans; D013126:Spinal Nerve Roots / Q000502:physiology; D013552:Swine; D014463:Ultrasonography