No abstract available
MeSH terms
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Helicobacter Infections / complications
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Helicobacter Infections / diagnosis*
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Helicobacter pylori / isolation & purification*
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Humans
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Mass Screening / organization & administration*
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Middle Aged
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Randomized Controlled Trials as Topic / methods*
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Research Design
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Stomach Neoplasms / microbiology
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Stomach Neoplasms / mortality
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Stomach Neoplasms / prevention & control*
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Survival Analysis
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United Kingdom / epidemiology