RT Journal Article SR Electronic T1 Etiology of Giant Aneurysms and Their Treatment JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP e8 OP e8 DO 10.3174/ajnr.A1370 VO 30 IS 1 A1 H. Alvarez YR 2009 UL http://www.ajnr.org/content/30/1/e8.abstract AB