1.
- The British Society of Gastroenterology : abstracts of the annual meeting in Glasgow, 23-25 March 1999. 1999. Vol. 44, April, Suppl. No. 1 - London : British Medical Journal, 1999 - 3, 150 s.(Gut; Suppl. No. 1) [1, currently available 0, at library only 1]
- Chapters, articles