306,041 PROCEEDINGS Proceedings of the Third International Symposium of JSGE on Gastrointestinal Bleeding and Non-A, Non-B Hepatitis. - Tokyo : The Japanese Society of Gastroenterology, 1991. - [14], 281 s. : wykr. ; 31 Cm (Gastroenterologia Japonica, ISSN 0435-1339 ; vol. 25 suppl. 3)