title: Thoracic epidural catheter placement via the caudal approach under electrocardiographic guidance.
authors.forename: Ban C H
authors.initials: BC
authors.lastname: Tsui
mesh_terms: D002404:Catheterization / Q000295:instrumentation / Q000379:methods*; D004562:Electrocardiography; D004824:Epidural Space; D006801:Humans