Hold your enemies closer.
D000818:Animals; D017951:Antigen Presentation; D000941:Antigens / Q000378:metabolism; D006649:Histocompatibility Antigens / Q000378:metabolism*; D008213:Lymphocyte Activation; D051379:Mice; D011948:Receptors, Antigen, T-Cell / Q000737:chemistry / Q000378:metabolism*; D013601:T-Lymphocytes / Q000276:immunology*
D000941:Antigens; D006649:Histocompatibility Antigens; D011948:Receptors, Antigen, T-Cell