RT Journal Article SR Electronic T1 Is a Large Hat Size Hazardous to Your Health? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1454 OP 1455 VO 25 IS 9 A1 McComb, J. Gordon YR 2004 UL http://www.ajnr.org/content/25/9/1454.abstract AB