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Mult Scler Relat Disord
Characteristics of secondary progressive multiple sclerosis: disease activity and provision of care in Germany - a registry-based/multicentric cohort study
- N. Frahm
- D. Ellenberger
- F. Fneish
- K. Christoph
- C. Warnke
- U.K. Zettl
- F. Paul
- B. Rauser
- A. Stahmann
- V. Vogelmann
- P. Flachenecker