title: STUDIES ON THE SPECIFIC TUBERCULIN REACTION. TUBERCULIN CONVERSION IN TUBERCULOSIS CONTACTS.
mesh_terms: D001431:Bacteriological Techniques; D001699:Biometry; D006801:Humans; D055633:Immune System Phenomena; D013183:Sputum; D013223:Statistics as Topic; D014373:Tuberculin; D014374:Tuberculin Test; D014376:Tuberculosis / Q000276:immunology*
chemical_list: D014373:Tuberculin
keywords: BACTERIOLOGICAL TECHNICS; SPUTUM; STATISTICS; TUBERCULIN TEST; TUBERCULOSIS IMMUNITY