| survey of guillain-barré syndrome in southern finland. | all acute guillain-barré syndrome (gbs) cases identified in the county of uusimaa in southern finland from 1981-1985 were analyzed. the incidence varied from 0.5 to 2.1 per 100,000 population. an antecedent event of possible etiologic significance was reported in 10% of the cases. plasma exchange therapy was introduced during these years. less children than expected fell ill, perhaps because of vaccinations, but a rise in the incidence of gbs in 1985 occurred during a nation-wide oral poliovirus ... | 1991 | 1798424 |