title: A framework hypothesis on the development of an immune system selected by histocompatibility antigens.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000939:Epitopes / Q000032:analysis; D006649:Histocompatibility Antigens / Q000276:immunology*; D007107:Immune System / Q000276:immunology*; D007130:Immunoglobulin Idiotypes / Q000276:immunology; D007136:Immunoglobulins / Q000235:genetics; D008214:Lymphocytes / Q000276:immunology; D009154:Mutation; D011948:Receptors, Antigen, T-Cell / Q000235:genetics
chemical_list: D000939:Epitopes; D006649:Histocompatibility Antigens; D007130:Immunoglobulin Idiotypes; D007136:Immunoglobulins; D011948:Receptors, Antigen, T-Cell