Immunomodulatory therapy slows accumulation of disability in moderately advanced multiple sclerosis

Nathaniel Lizak, Alessandra Lugaresi, Raed Alroughani, Jeannette Lechner-Scott, Mark Slee, Suzanne Hodgkinson, Vilija Jokubaitis, Tim Spelman, Helmut Butzkueven, Tomas Kalincik