title: Ultrasound-guided caudal epidural injection.
authors.forename: Reginald
authors.initials: R
authors.lastname: Edward
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D004824:Epidural Space / Q000000981:diagnostic imaging*; D006801:Humans; D007278:Injections, Spinal; D014463:Ultrasonography