[Report on the 6th World Gastroenterological Congress and on the 4th World Congress on Gastrointestinal Endoscopy, Madrid, June 5-10 and June 1-3, 1978].
D003226:Congresses as Topic; D004064:Digestive System; D004724:Endoscopy; D005767:Gastrointestinal Diseases; D006801:Humans; D013030:Spain
Zpráva o VI. svĕtovém kongresu gastroenterologickém a o IV. svétovém kongresu digestivní digestivní endoskopie, Madrid, 5.--10. 6. 1978, 1.--3. 6. 1978.