RT Journal Article SR Electronic T1 New Traction Device for Radiography of the Lower Cervical Spine JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 467 OP 469 VO 2 IS 5 A1 Boger, Donald A1 Ralls, Philip W. YR 1981 UL http://www.ajnr.org/content/2/5/467.abstract AB