title: Niacin test for differentiation of Mycobacterium tuberculosis var. hominis from other acid-fast bacilli. X. Clinical and bacteriological examination of the 2 cases with pulmonary tuberculosis which had excreted niacin test negative mycobacterium tuberculosis var. hominis for a long period. I. Clinical observation.
mesh_terms: D000328:Adult; D001407:Bacillus; D001799:Blood Sedimentation; D006801:Humans; D008111:Liver Function Tests; D008297:Male; D008875:Middle Aged; D009169:Mycobacterium tuberculosis; D009539:Nicotinic Acids; D011030:Pneumothorax; D013902:Radiography, Thoracic; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy
chemical_list: D009539:Nicotinic Acids