No abstract available
MeSH terms
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Adolescent
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Adult
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Child
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Enzyme-Linked Immunosorbent Assay / standards*
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Female
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Humans
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Immunoglobulin G / blood*
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Isoantibodies / blood*
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Male
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Reference Standards
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Reference Values
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Reproducibility of Results
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Respiratory Tract Infections / immunology
Substances
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Immunoglobulin G
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Isoantibodies