title: New tool for checking epidural catheter location.
authors.forename: Ban C H
authors.initials: BC
authors.lastname: Tsui
mesh_terms: D000767:Anesthesia, Epidural / Q000009:adverse effects / Q000295:instrumentation*; D002404:Catheterization / Q000295:instrumentation*; D004558:Electric Stimulation; D004824:Epidural Space / Q000033:anatomy & histology; D006801:Humans