title: Niacin test for differentiation of Mycobacterium tuberculosis var. hominis from other acid-fast bacilli. XII. Clinical and bacteriological examination of 2 cases with pulmonary tuberculosis which had excreted niacin test negative Mycobacterium tuberculosis var. hominis for a long period. 3. Animal inoculation of the detected acid-fast bacilli.
mesh_terms: D000818:Animals; D001407:Bacillus; D006168:Guinea Pigs; D007275:Injections, Intravenous; D007279:Injections, Subcutaneous; D008168:Lung; D008297:Male; D051379:Mice; D009169:Mycobacterium tuberculosis; D009539:Nicotinic Acids; D011817:Rabbits; D013154:Spleen; D014374:Tuberculin Test; D014774:Virulence
chemical_list: D009539:Nicotinic Acids