Real-world evidence on siponimod treatment in patients with secondary progressive multiple sclerosis oleh Liesa Regner-Nelke, Marc Pawlitzki, Alice Willison, Leoni Rolfes, Sinem-Hilal Oezalp, Christopher Nelke, Tristan Kölsche, Melanie Korsen, Matthias Grothe, Sergiu Groppa, Felix Luessi, Sinah Engel, Gereon Nelles, Eckhard Bonmann, Holger Roick, Anke Friedrich, Philipp Knorn, Harald Landefeld, Zoltan Biro, Michael Ernst, Antonios Bayas, Martina Menacher, Katja Akgün, Christoph Kleinschnitz, Tobias Ruck, Tjalf Ziemssen, Refik Pul, Sven G. Meuth