No abstract available
MeSH terms
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Adolescent
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Adult
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Child
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Child, Institutionalized
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Child, Preschool
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Female
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Helicobacter Infections / blood
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Helicobacter Infections / complications
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Helicobacter Infections / epidemiology*
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Helicobacter pylori*
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Humans
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Incidence
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Male
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Nervous System Diseases / complications*