Immunological surveillance.
D000818:Animals; D000918:Antibody Specificity; D000941:Antigens; D000939:Epitopes; D006648:Histocompatibility; D007109:Immunity; D007111:Immunity, Cellular; D007153:Immunologic Deficiency Syndromes; D008214:Lymphocytes / Q000276:immunology; D008824:Michigan; D009369:Neoplasms / Q000276:immunology*; D010954:Plasmacytoma / Q000276:immunology; D012190:Retroviridae / Q000276:immunology; D014714:Vertebrates / Q000276:immunology*
D000941:Antigens; D000939:Epitopes