304,834 Abstracts Abstracts from the 20th International Epilepsy Congress Oslo, Norway July 3-8, 1993 / guest eds. Svein I. Johannessen, Yngve Loyning, James J. Cereghino ; organized by International League Against Epilespy [et al], - New York : Raven Press, 1993. - [10], 208 s. ; 28 cm (Epilepsia, ISSN 0013-9580 ; vol. 34, suppl.2)