Helicobacter pylori factors influencing the isolation and susceptibility to different therapeutic agents : Proceedings of the workshop Helicobacter pylori and the new concepts in gastro-duodenal diseases. Prague, Charles University, 30.-31.10. 1992. Poste

• R. Mitová
• L. Boyanova
• S. Petrov
• N. Pehlivanov
• J. Churtchev