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- 7th international symposium on viral hepatitis : 25-27 January 1996, Madrid, Spain / edit. Graham Foster. 1997. Vol. 4, Suppl. 1 - Oxford : Blackwell Science, 1997 - 5, 130 s.(Journal of Viral Hepatitis; Suppl. 1) [1, currently available 0, at library only 1]
- Chapters, articles