Familial multiple sclerosis in Poland. 2. Clinical and genealogical analysis.
D000328:Adult; D001722:Birth Order; D004777:Environment; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000235:genetics*; D011044:Poland; D012723:Sex