Campylobacter pylori and peptic disease : proceedings of a scientific session at the 19th Congress of the European Association for Gastroenterology and Endoscopy, Milan, Italy, 18-20 June 1987 / S.L. Kleeman and J. de Wal, eds

Campylobacter pylori and peptic disease : proceedings of a scientific session at the 19th Congress of the European Association for Gastroenterology and Endoscopy, Milan, Italy, 18-20 June 1987 / S.L. Kleeman and J. de Wal, eds