title: Letter: Macrophages v. cancer.
mesh_terms: D000818:Animals; D001500:BCG Vaccine / Q000627:therapeutic use; D006801:Humans; D007167:Immunotherapy; D008264:Macrophages / Q000276:immunology*; D051379:Mice; D009369:Neoplasms / Q000276:immunology / Q000628:therapy*; D051381:Rats
chemical_list: D001500:BCG Vaccine