title: [On the mechanism of senescence and tuberculosis in the aged. 1. Senescence and immunity].
mesh_terms: D000368:Aged; D000375:Aging; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology; D007111:Immunity, Cellular; D013601:T-Lymphocytes / Q000276:immunology*