title: Dirty-appearing white matter: a disregarded entity in multiple sclerosis.
authors.forename: M
authors.initials: M
authors.lastname: Filippi
authors.forename: M A
authors.initials: MA
authors.lastname: Rocca
mesh_terms: D001921:Brain / Q000473:pathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D009103:Multiple Sclerosis / Q000473:pathology*; D009413:Nerve Fibers, Myelinated / Q000473:pathology*