title: Reduced T-lymphocyte cell reactivity as a function of human aging.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D006801:Humans; D008213:Lymphocyte Activation; D008934:Mitogens / Q000276:immunology; D009000:Monocytes / Q000502:physiology; D013601:T-Lymphocytes / Q000145:classification / Q000502:physiology*
chemical_list: D008934:Mitogens