Update S2k-Guideline Helicobacter pylori and gastroduodenal ulcer disease of the German Society of Gastroenterology, Digestive and Metabolic Diseases (DGVS)
Fischbach W., Bornschein J., Hoffmann JC., Koletzko S., Link A., Macke L., Malfertheiner P., Schütte K., Selgrad D-M., Suerbaum S., Schulz C.