No abstract available
MeSH terms
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Enzyme-Linked Immunosorbent Assay
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Female
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Hepatitis B / epidemiology*
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Hepatitis B / immunology
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Hepatitis B Surface Antigens / blood
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Hospitals, University / statistics & numerical data
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Humans
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Male
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Prevalence
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Romania / epidemiology
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Seasons
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Seroepidemiologic Studies
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Sex Distribution
Substances
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Hepatitis B Surface Antigens