RT Journal Article SR Electronic T1 The "hypoteloric happy face" sign: a misleading indicator of complete aneurysm closure with Guglielmi detachable coils. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 795 OP 797 VO 15 IS 4 A1 Scotti, G A1 Righi, C YR 1994 UL http://www.ajnr.org/content/15/4/795.abstract AB