RT Journal Article SR Electronic T1 Gd-DTPA-enhanced MR images: accentuation of vascular pulsation artifacts and correction by using gradient-moment nulling (MAST). JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 209 OP 210 VO 11 IS 1 A1 D N Richardson A1 A D Elster A1 D W Williams, 3rd YR 1990 UL http://www.ajnr.org/content/11/1/209.abstract AB