306,041 PROCEEDINGS Proceedings of the International Symposium on Molecular Biology of Hepatitis B Virus and Non-A Non-B Hepatitis Virus [June 1, 1989 Kanazawa, Japan] / [Chairman Nobu Hatforii - Tokyo : The Japanese Society of Gastroenterology, [1990]. - [7], 85,[1] s. : wykr. ; 30 cm (Gastroenterologia Japonica, ISSN 0435-1339 vol. 25, suppl. 2 )