title: [Various clinical and epidemiological aspects of multiple sclerosis].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000209:etiology; D009902:Optic Neuritis / Q000150:complications; D011044:Poland; D012424:Rural Population; D014505:Urban Population; D014777:Virus Diseases / Q000150:complications
vernacular_title: Niektóre aspekty kliniczne i epidemiologiczne stwardnienia rozsianego.