title: The role of immune system cells in multiple sclerosis.
mesh_terms: D001921:Brain / Q000276:immunology*; D003602:Cytotoxicity, Immunologic / Q000276:immunology; D006801:Humans; D009103:Multiple Sclerosis / Q000276:immunology*; D009186:Myelin Sheath / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology*