1.
- European Helicobacter pylori study group : 9th International Workshop on Gastroduodenal Pathology and Helicobacter pylori, 16-19 October, Copenhagen, Denmark. 1996. Vol. 39, Suppl. No. 2 - London : British Medical Association, 1996 - 131 s.(Gut; Suppl. No. 2) [1, currently available 0, at library only 1]
- Chapters, articles