title: Chimaeras and the forbidden-clone theory of self-tolerance.
mesh_terms: D000818:Animals; D001323:Autoantibodies; D007108:Immune Tolerance; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D009030:Mosaicism; D051381:Rats
chemical_list: D001323:Autoantibodies