title: Characterization of an immunosuppressive factor present in mouse serum.
mesh_terms: D000645:Ammonium Sulfate; D000818:Animals; D000921:Antibody-Producing Cells / Q000276:immunology; D000941:Antigens / Q000032:analysis; D002478:Cells, Cultured; D002623:Chemistry Techniques, Analytical; D002845:Chromatography; D004912:Erythrocytes / Q000276:immunology*; D007104:Immune Adherence Reaction; D007166:Immunosuppressive Agents / Q000097:blood*; D051379:Mice; D008810:Mice, Inbred C57BL; D008811:Mice, Inbred DBA; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000276:immunology*
chemical_list: D000941:Antigens; D007166:Immunosuppressive Agents; D000645:Ammonium Sulfate