title: A note of caution regarding tumor immunology.
mesh_terms: D006801:Humans; D006968:Hypersensitivity, Delayed; D007167:Immunotherapy; D009163:Mycobacterium bovis; D009369:Neoplasms / Q000276:immunology* / Q000628:therapy; D009578:Nitrobenzenes; D012882:Skin Tests
chemical_list: D009578:Nitrobenzenes