RT Journal Article SR Electronic T1 Functional Effects of Contrast Media on the Brain JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 229 OP 229 VO 22 IS 1 A1 Salvolini, Ugo A1 Provinciali, Leandro A1 Signorino, Mario YR 2001 UL http://www.ajnr.org/content/22/1/229.abstract AB