Antibodies against Helicobacter pylori in sera from healthy adults and children, and from patients with gastroduodenal diseases : Proceedings of the workshop Helicobacter pylori and the new concepts in gastro-duodenal diseases. Prague, Charles University,

• D. Dzierzanowska
• W. Laszewicz
• E. Vogtt
• U. Wojda
• D. Cedre
• E. Rozynek
• J. Muszynski
• W. Skawinski
• A. Lukaszyk
• A. Gabryelewicz
• J. Socha