Changes of cine cerebrospinal fluid dynamics in patients with multiple sclerosis treated with percutaneous transluminal angioplasty: a case-control study - Zivadinov, R; Magnano, C; Galeotti, R; Schirda, C; Menegatti, E; Weinstock-Guttman, B; Marr, K; Bartolomei, I; Hagemeier, J; Malagoni, A M; Hojnacki, D; Kennedy, C; Carl, E; Beggs, C; Salvi, F; Zamboni, P (J Vasc Interv Radiol, 2013)