title: Radiographic guided epidural placement.
authors.forename: T W
authors.initials: TW
authors.lastname: Johnson
authors.forename: R
authors.initials: R
authors.lastname: Morgan
authors.forename: P
authors.initials: P
authors.lastname: Smalley
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D006801:Humans; D015641:Radiography, Interventional / Q000379:methods*; D012307:Risk Factors; D013119:Spinal Cord Injuries / Q000517:prevention & control