No abstract available
MeSH terms
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Antigens, Bacterial*
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Bacterial Proteins / genetics*
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Gastritis / microbiology
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Genes, Bacterial
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Helicobacter Infections / microbiology*
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Helicobacter pylori / genetics*
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Helicobacter pylori / isolation & purification
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Humans
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Peptic Ulcer / microbiology
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Polymerase Chain Reaction
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Spain
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Stomach Neoplasms / microbiology
Substances
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Antigens, Bacterial
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Bacterial Proteins
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VacA protein, Helicobacter pylori
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cagA protein, Helicobacter pylori