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Long-term safety and effectiveness of natalizumab treatment in clinical practice: 10 years of real-world data from the Tysabri Observational Program (TOP).
Butzkueven H, Kappos L, Wiendl H, Trojano M, Spelman T, Chang I, Kasliwal R, Jaitly S, Campbell N, Ho PR, Licata S; Tysabri Observational Program (TOP) Investigators. Butzkueven H, et al. J Neurol Neurosurg Psychiatry. 2020 Jun;91(6):660-668. doi: 10.1136/jnnp-2019-322326. Epub 2020 Mar 31. J Neurol Neurosurg Psychiatry. 2020. PMID: 32234967 Free PMC article.