title: Tuning the immune system: competing positive and negative feedback loops.
authors.forename: Daniel L
authors.initials: DL
authors.lastname: Mueller
mesh_terms: D000818:Animals; D015536:Down-Regulation / Q000276:immunology*; D005246:Feedback; D006649:Histocompatibility Antigens / Q000276:immunology; D006801:Humans; D007107:Immune System; D013601:T-Lymphocytes / Q000276:immunology*; D015854:Up-Regulation / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens