title: Toward a layered immune system.
authors.affiliation: Department of Genetics, Stanford University School of Medicine, California 94305.
authors.forename: L A
authors.initials: LA
authors.lastname: Herzenberg
authors.forename: L A
authors.initials: LA
authors.lastname: Herzenberg
mesh_terms: D000375:Aging; D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D007107:Immune System / Q000502:physiology*; D013601:T-Lymphocytes / Q000276:immunology