Progression independent of relapse and MRI activity and treatment strategies in multiple sclerosis. - Rollot F; Casey R; Kerbrat A; Edan G; Le Page E; Vukusic S; Mathey G; Maillart E; De Sèze J; Ciron J; Ruet A; Labauge P; et al. (Brain : a journal of neurology, 2026)