title: Immunological tolerance and enhancement: a common mechanism.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000936:Antigen-Antibody Complex; D000937:Antigen-Antibody Reactions; D001854:Bone Marrow Cells; D006168:Guinea Pigs; D006648:Histocompatibility; D006801:Humans; D007108:Immune Tolerance; D007111:Immunity, Cellular; D007074:Immunoglobulin G; D066298:In Vitro Techniques; D051379:Mice; D013950:Thymus Gland; D014181:Transplantation Immunology
chemical_list: D000936:Antigen-Antibody Complex; D007074:Immunoglobulin G