RT Journal Article SR Electronic T1 Polyvinyl alcohol particle superficial morphology. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 194 OP 195 VO 18 IS 1 A1 Falini, A A1 Righi, C A1 Scotti, G A1 Colombo, A A1 Tanzi, C A1 Trovesi, L YR 1997 UL http://www.ajnr.org/content/18/1/194.abstract AB