Is benign MS 'benign'?

Ellenberger, D; Flachenecker, P; Eichstadt, K; Haas, J; Kleinschnitz, C; Pohlau, D; Rienhoff, O; Rommer, PS; Zettl, UK; Stahmann, A

MULTIPLE SCLEROSIS JOURNAL, 2019; 25 (): 364