Long-term clinical outcome of primary progressive MS: Predictive value of clinical and MRI data

Sastre Garriga, J; Ingle, Gt; Rovaris, M; Tellez, N; Jasperse, B; Altmann, Dr; Benedetti, B; Stevenson, Vl; Cercignani, M; Leary, Sm; Barkhof, F; Brochet, B; Dousset, V; Filippi, Massimo; Montalban, X; Kalkers, Nf; Polman, Ch; Rovira, A; Miller, Dh; Thompson, Aj