title: Cooperation across the histocompatibility barrier.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology*; D006649:Histocompatibility Antigens; D007156:Immunologic Memory; D051379:Mice; D008815:Mice, Inbred Strains; D011828:Radiation Chimera; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens