title: [Multiple sclerosis and related disorders].
mesh_terms: D000293:Adolescent; D001921:Brain / Q000000981:diagnostic imaging; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D009103:Multiple Sclerosis / Q000175:diagnosis* / Q000453:epidemiology; D014057:Tomography, X-Ray Computed