title: MRI aspects of secondary progressive multiple sclerosis.
authors.affiliation: The University of Texas Health Science Center at Houston, 77030, USA.
authors.forename: J S
authors.initials: JS
authors.lastname: Wolinsky
mesh_terms: D006801:Humans; D008279:Magnetic Resonance Imaging; D020528:Multiple Sclerosis, Chronic Progressive / Q000175:diagnosis* / Q000473:pathology