No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Amoxicillin / therapeutic use
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Ampicillin Resistance / genetics*
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Chromosomes, Bacterial
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DNA, Bacterial
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Helicobacter Infections / drug therapy
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Helicobacter pylori / drug effects
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Helicobacter pylori / genetics*
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Humans
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Male
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Microbial Sensitivity Tests
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Transformation, Bacterial
Substances
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DNA, Bacterial
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Amoxicillin