title: Serum containing endotoxin-induced tumour necrosis factor substitutes for helper T cells.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology; D001500:BCG Vaccine; D004731:Endotoxins; D004912:Erythrocytes / Q000276:immunology; D006023:Glycoproteins / Q000502:physiology*; D008070:Lipopolysaccharides / Q000276:immunology*; D008264:Macrophages / Q000276:immunology; D051379:Mice; D009163:Mycobacterium bovis / Q000276:immunology; D011135:Polysaccharides, Bacterial / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D001500:BCG Vaccine; D004731:Endotoxins; D006023:Glycoproteins; D008070:Lipopolysaccharides; D011135:Polysaccharides, Bacterial