RT Journal Article SR Electronic T1 Three Pathways between the Sacroiliac Joint and Neural Structures Exist JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1388 OP 1389 VO 20 IS 8 A1 Towers, Jeffrey D. YR 1999 UL http://www.ajnr.org/content/20/8/1388.abstract AB