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- 3rd united european gastroenterology week : 25-29 June, 1994, Oslo, Norway / edit. Erik Schrumpf. 1994. Vol. 35, Suppl. no. 4 - London : British Medical Association, 1994 - 257 s.(Gut; Suppl. no. 4) [1, currently available 0, at library only 1]
- Chapters, articles