1.
- Abstracts of papers presented at the 24th Scandinavian Conference on Gastroenterology and the 15th Scandinavian Meeting on Gastrointestinal Endoscopy, Aalborg, Denmark, 5-8 June 1991 / edit. J. Fallingborg ... [et al.]. 1991. Vol. 26, Suppl. 183 - Oslo : Universitetsforlaget, 1991 - 120 s.(Scandinavian Journal of Gastroenterology; Suppl. 183) [1, currently available 0, at library only 1]
- Chapters, articles