The twentieth Scandinavian conference of gastroenterology and the eleventh Scandinavian meeting on gastrointestinal endoscopy : Trondheim, Norway 10-13 June 1987 - Waldum, H. L; Myrvold, H. E; Petersen, H (Norwegian University Press, 1987)
Scandinavian journal of gastroenterology, ISSN 0085-5928 vol. 22, suppl. 135, 1987
Keywords: Endoscopy, Gastrointestinal; gastroenterologie; Gastroenterology; gastrointestinální endoskopie