Serological and histological study of Helicobacter pylori in gastric and duodenal ulcer patients and in a South Estonian population sample : Proceedings of the workshop Helicobacter pylori and the new concepts in gastro-duodenal diseases. Prague, Charles

• T. Vorobjova
• Heidi-Ingrid Maaroos
• K. Kisand
• V. Vassiljav
• T. Wadström
• R. Uibo