title: Epidemiologic evaluation of chemoprophylaxis against tuberculosis.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D005260:Female; D005500:Follow-Up Studies; D006116:Greenland; D006801:Humans; D007538:Isoniazid / Q000008:administration & dosage / Q000627:therapeutic use*; D008297:Male; D010919:Placebos; D011859:Radiography; D012494:Sampling Studies; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000517:prevention & control*
chemical_list: D010919:Placebos; D007538:Isoniazid