[Advances in gastroenterology 1981. General meeting, Basel, 17-19 September 1981].
D004064:Digestive System; D004066:Digestive System Diseases; D005767:Gastrointestinal Diseases / Q000601:surgery; D006801:Humans
Ergebnisse der Gastroenterologie 1981. Gemeinsame Tagung. Basel, 17.-19. September 1981.