title: Caudal catheters and ultrasound.
authors.forename: Graham T
authors.initials: GT
authors.lastname: Bell
authors.forename: Philip
authors.initials: P
authors.lastname: Bolton
mesh_terms: D004824:Epidural Space / Q000000981:diagnostic imaging*; D004867:Equipment Design; D006801:Humans; D007231:Infant, Newborn; D013116:Spinal Cord / Q000000981:diagnostic imaging*; D014463:Ultrasonography