No abstract available
Publication types
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Comparative Study
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English Abstract
MeSH terms
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Aged
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Aged, 80 and over
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Aging / immunology*
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Antibody Formation
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Arteriosclerosis / complications*
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Autoantibodies / analysis*
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Bronchitis / immunology*
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Chronic Disease
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Female
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Humans
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Immunity, Cellular
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Intradermal Tests
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Male