No abstract available
MeSH terms
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Aged
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Female
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Humans
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Immunoglobulin A / analysis
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Immunoglobulin G / analysis
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Immunoglobulin M / analysis
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Immunoglobulins / analysis*
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Middle Aged
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Sjogren's Syndrome / immunology*
Substances
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Immunoglobulin A
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Immunoglobulin G
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Immunoglobulin M
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Immunoglobulins