title: Sensitivity to mycobacterial antigens in tubercular patients in Rio de Janeiro.
mesh_terms: D000942:Antigens, Bacterial / Q000276:immunology*; D001938:Brazil; D006801:Humans; D009161:Mycobacterium / Q000276:immunology*; D012882:Skin Tests; D014376:Tuberculosis / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial