Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"World Congress of Gastroenterology and Ingelfinger, F. J. and Schmid, Eberhard",Aktuelle Probleme der Achalasie des Oesophagus = Topical problems in achalasia of the oesophagus = Problèmes actuels de l'achalasie de l'œsophage = Problemas actuales de la acalasia del esófago,,S. Karger,1963,2. Weltkongress für Gastroenterologie = 2nd World Congress of Gastroenterology = 2e Congres Mondial de Gastroentérologie = 2. Congreso Mundial de Gastroenterologia,,,,https://cir.nii.ac.jp/crid/1130282270558752000