No abstract available
MeSH terms
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Aging*
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Animals
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Antibody Formation*
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Antigens
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B-Lymphocytes / immunology*
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Dinitrobenzenes / immunology
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Erythrocytes / immunology
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Female
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Immunologic Memory
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Male
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Mice
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Mice, Inbred CBA
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Spleen / immunology
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T-Lymphocytes / immunology*
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Thymus Gland / immunology