"International Congress on Stomach Diseases (13th : 1981 : Antwerp, Belgium)" . . . "International Congress on Stomach Diseases, 13e, Anvers, Belgique, 1981." . . . "Stomach diseases." . . "Stomach Diseases." . "International Congress on Stomach Diseases (13th : 1981 : Antwerp)" . . . "International Congress on Stomach Diseases (13 : 1981 : Antwerpen)" . . . "Stomach." . . "Magenkrankheit Kongressbericht." . . "International congress on stomach diseases (13 : 01-05-1981-05-05-1981 : Antwerp)" . . . "Tractus gastro-intestinal Maladies Congrès." . . "Stomach Diseases Congresses." . . "Estomac Maladies Congrès." . . . . "Gastrointestinal system." . . . . . . . "Stomach diseases : proceedings of the 13th International Congress on Stomach Diseases, Antwerp, May 1-2, 1981" . . . . "Stomach diseases : current status : proceedings of the 13th International congress on stomach diseases, Antwerp, May 1-2, 1981" . . . . "Stomach diseases : current status ; proceedings of the 13. Internat. Congress on Stomach Diseases, Antwerp, May 1-2, 1981" . "Congresses" . . . . . . "Stomach diseases, current status : proceedings of the 13th International Congress on Stomach Diseases, Antwerp, May 1-2, 1981" . . . . . . "Stomach diseases : Current status. Proceedings of the 13. International Congress on Stomach Diseases, Antwerp, May 1-2, 1981" . . "Stomach diseases, current status proceedings of the 13th International Congress on Stomach Diseases, Antwerp, May 1-2, 1981"@en . . . . . . "Stomach diseases : current status : proceedings of the 13th international congress on stomach diseases, Antwerp, May 1-2, 1981" . . "Stomach diseases current status : Proceedings of the 13th International Congress on..., Antwerp, May 1-2, 1981" . . "Stomach diseases-Current status" . "Stomach diseases : current status : proceedings of the 13th International Congress on Stomach Diseases, Antwerp, May 1-2, 1981" . . "Conference papers and proceedings" . "Conference papers and proceedings"@en . . . . "International Congress on Stomach Diseases (1981 : Anvers)" . . .