Experimentation and thymic selection.
Singer
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Immunology Branch, National Cancer Institute, Bethesda, MD 20892.
D006801:Humans; D007108:Immune Tolerance; D007111:Immunity, Cellular; D012641:Selection, Genetic; D013601:T-Lymphocytes / Q000276:immunology*; D013950:Thymus Gland / Q000276:immunology*