RT Journal Article SR Electronic T1 Survey of Head and Neck Practice JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E9 OP E9 DO 10.3174/ajnr.A4985 VO 38 IS 1 A1 D.M. Yousem YR 2017 UL http://www.ajnr.org/content/38/1/E9.abstract AB