title: Letter: Serologic code models with respect to the action of allogeneic anti-theta and xenogeneic anti-mouse or rat brain sera on thymocytes and brain tissue.
mesh_terms: D000818:Animals; D000961:Antilymphocyte Serum; D001921:Brain / Q000276:immunology*; D000939:Epitopes; D007106:Immune Sera; D051379:Mice; D011817:Rabbits / Q000276:immunology; D051381:Rats; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000961:Antilymphocyte Serum; D000939:Epitopes; D007106:Immune Sera