title: The bentonite flocculation test in the serology of tuberculosis. I. Purification of BCG antigens.
mesh_terms: D000538:Aluminum Silicates; D000941:Antigens / Q000032:analysis*; D002473:Cell Wall / Q000032:analysis; D002852:Chromatography, Ion Exchange; D006801:Humans; D009161:Mycobacterium; D009163:Mycobacterium bovis / Q000276:immunology*; D012698:Serologic Tests; D014376:Tuberculosis / Q000175:diagnosis*
chemical_list: D000538:Aluminum Silicates; D000941:Antigens