'''1. Abstract'''

"1. Abstract"

"2. Introduction"

"3. Helicobacter pylori"

"3.1 Definition, characteristic of helicobacter pylori"

"3.2 physiological background"

"3.3 pathophysiology and gastric pathology"

"3.4 clinical presentation"

""3.4.1 symptoms""

""3.4.2 diagnostics""

""3.4.3 treatments""

""3.4.4 virulence factors""

"4. Conclusion"

"5. References"

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+ . ''<<TableOfContents(4)>>''

= '''1. Abstract''' =