title: The frequency and activity of single helper T cells.
mesh_terms: D000042:Absorption; D000818:Animals; D000921:Antibody-Producing Cells; D000961:Antilymphocyte Serum; D001402:B-Lymphocytes; D002352:Carrier Proteins; D002417:Cattle / Q000276:immunology; D002478:Cells, Cultured; D003165:Complement System Proteins; D004912:Erythrocytes / Q000276:immunology; D006433:Hemocyanins; D006462:Hemolytic Plaque Technique; D008212:Lymphocyte Depletion; D051379:Mice; D009596:Nitrophenols / Q000276:immunology; D011817:Rabbits / Q000276:immunology; D011828:Radiation Chimera; D012513:Sarcoma, Experimental; D012710:Serum Albumin, Bovine; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000166:cytology; D013601:T-Lymphocytes / Q000276:immunology*; D013934:Thymectomy; D013945:Thymoma / Q000276:immunology
chemical_list: D000961:Antilymphocyte Serum; D002352:Carrier Proteins; D009596:Nitrophenols; D012710:Serum Albumin, Bovine; D003165:Complement System Proteins; D006433:Hemocyanins