title: Identification of two cell populations required for mouse immunocompetence.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000937:Antigen-Antibody Reactions; D000941:Antigens; D001665:Binding Sites; D001853:Bone Marrow / Q000276:immunology; D002645:Chickens; D004912:Erythrocytes / Q000276:immunology*; D006462:Hemolytic Plaque Technique; D051379:Mice; D011828:Radiation Chimera; D012756:Sheep; D013154:Spleen / Q000276:immunology; D013552:Swine; D013950:Thymus Gland / Q000276:immunology
chemical_list: D000941:Antigens