title: Production of gamma interferon by human T and null cells and its regulation by macrophages.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D006801:Humans; D007371:Interferon-gamma / Q000096:biosynthesis*; D008213:Lymphocyte Activation; D008215:Lymphocytes, Null / Q000276:immunology*; D008264:Macrophages / Q000276:immunology*; D013205:Staphylococcal Protein A / Q000494:pharmacology; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D013205:Staphylococcal Protein A; D007371:Interferon-gamma