547,363 PROCEEDINGS Proceedings of the First European Community Workshop on Inflammatory Bowel Disease University Hospital Rotterdam / Dijkzigt, Rotterdam, The Netherlands 10-12 November, 1988 / ed. by S. Shivananda [et al.]. - [Oslo] : Universitetsforlaget, [1989]. -X, 101 s. ; 25 cm (Scandinavian Journal of Gastroenterology, ISSN 0085-5928 ; vol. 24, suppl. 170)