Helicobacter pylori and its relationship to gastric epithelium: an ultrastructural study : Proceedings of the workshop Helicobacter pylori and the new concepts in gastro-duodenal diseases. Prague, Charles University, 30.-31.10. 1992. Poster.

• Z. Spassova
• V. Dontchev
• E. Zamfirova
• Z. Krastev