title: Are endogenous C-type viruses physiologically required for the regulation of the humoral immune response?
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000096:biosynthesis*; D001402:B-Lymphocytes / Q000276:immunology; D003602:Cytotoxicity, Immunologic; D006462:Hemolytic Plaque Technique; D007106:Immune Sera / Q000494:pharmacology; D007165:Immunosuppression Therapy; D007959:Lymphocyte Culture Test, Mixed; D008264:Macrophages / Q000276:immunology; D051379:Mice; D008807:Mice, Inbred BALB C; D012190:Retroviridae / Q000276:immunology*; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D007106:Immune Sera