title: Immunologic complementation between thymus and marrow cells--a model for the two-cell theory of immunocompetence.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000941:Antigens; D001853:Bone Marrow / Q000276:immunology* / Q000528:radiation effects; D001854:Bone Marrow Cells; D002859:Chromium Isotopes; D004912:Erythrocytes / Q000276:immunology; D007116:Immunization, Passive; D007156:Immunologic Memory; D008099:Liver / Q000276:immunology; D051379:Mice; D008815:Mice, Inbred Strains; D011830:Radiation Effects; D012756:Sheep; D013154:Spleen / Q000166:cytology / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology*
chemical_list: D000941:Antigens; D002859:Chromium Isotopes