[3rd European symposium on gastrocameras, Berlin 2-4 April 1971].
D005773:Gastroscopy; D006801:Humans; D010781:Photography; D013272:Stomach Diseases / Q000175:diagnosis*; D013274:Stomach Neoplasms / Q000175:diagnosis
3. Europaeiske gastrocamerasymposium Berlin, 2-4. IV. 1971.