title: Use of various concentrations of culture filtrates of tubercle bacilli for detection of precipitins in the blood serum of tuberculous patients.
mesh_terms: D000362:Agar; D000906:Antibodies / Q000032:analysis*; D000942:Antigens, Bacterial / Q000032:analysis; D005782:Gels; D006801:Humans; D009169:Mycobacterium tuberculosis / Q000276:immunology*; D011233:Precipitin Tests; D014376:Tuberculosis / Q000276:immunology*
chemical_list: D000906:Antibodies; D000942:Antigens, Bacterial; D005782:Gels; D000362:Agar