Current Trends in Gastroenterologic Endoscopy. Endoscopic abstracts of the 2nd United European Gastroenterology Week. Barcelona, 19-23 July 1993. [electronic resource] - Endoscopy Jun 1993 - 318-57 p. digital Publication Type: Congress; Overall ISSN: 0013-726X Subjects--Topical Terms: Endoscopy, Gastrointestinal--trends