title: Tuberculosis risk in persons with "fibrotic" x-ray lesions.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D003604:Czechoslovakia; D005260:Female; D005859:Germany, East; D006306:Health Surveys; D006801:Humans; D007538:Isoniazid / Q000627:therapeutic use; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D011379:Prognosis; D011658:Pulmonary Fibrosis / Q000150:complications*; D011859:Radiography; D012737:Sex Factors; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000150:complications / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000517:prevention & control; D006113:United Kingdom; D014481:United States
chemical_list: D007538:Isoniazid