No abstract available
MeSH terms
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Adult
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Case-Control Studies
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Female
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Gastritis, Atrophic / microbiology*
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Gene Frequency*
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HLA-DQ Antigens / genetics*
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HLA-DQ alpha-Chains
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Helicobacter Infections / complications*
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Helicobacter Infections / immunology*
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Helicobacter pylori*
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Humans
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Immunity, Innate
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Male
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Middle Aged
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Peptic Ulcer / microbiology*
Substances
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HLA-DQ Antigens
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HLA-DQ alpha-Chains
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HLA-DQA1 antigen