Wiendl, H., Toyka, K. V., Rieckmann, P., Gold, R., Hartung, H. P., & Hohlfeld, R. (2008). Basic and escalating immunomodulatory treatments in multiple sclerosis: Current therapeutic recommendations. Journal of Neurology, 255(10), 1449-1463. doi:10.1007/s00415-008-0061-1.