Abstracts of papers presented at the 23rd Scandinavian conference on gastroenterology and the 14th Scandinavian meeting on gastrointestinal endoscopy, Reykjavik, Iceland, 14-16 June, 1990
Abstracts of papers presented at the 23rd Scandinavian conference on gastroenterology and the 14th Scandinavian meeting on gastrointestinal endoscopy, Reykjavik, Iceland, 14-16 June, 1990