Distinct influence of different vascular risk factors on white matter brain lesions in multiple sclerosis by Geraldes, R, Juryńczyk, M, Dos Passos, G, Prichler, A, Chung, K, Hagens, M, Ruggieri, S, Huerga, E, Sastre-Garriga, J, Enzinger, C, Chard, DT, Barkhof, F, Gasperini, C, Rovira, A, DeLuca, GC, Palace, J, MAGNIMS study group