RT Journal Article SR Electronic T1 Clinically silent infarcts shown by MR after cerebral angiography. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1084 OP 1084 VO 11 IS 5 A1 Mamourian, A A1 Drayer, B P YR 1990 UL http://www.ajnr.org/content/11/5/1084.abstract AB