Therapeutic potential of extracellular vesicles derived from human mesenchymal stem cells in a model of progressive multiple sclerosis - Laso-García F; Ramos-Cejudo J; Carrillo-Salinas F; Otero-Ortega L; Feliú A; Gómez-de Frutos M; Mecha M; Díez-Tejedor E; Guaza C; Gutiérrez-Fernández M (Plos One, 2018)