Chemoprophylaxis of pulmonary tuberculosis.
D000353:Africa, Southern; D002986:Clinical Trials as Topic; D006801:Humans; D007538:Isoniazid / Q000627:therapeutic use*; D008297:Male; D008697:Methane / Q000627:therapeutic use; D008906:Mining; D013451:Sulfonic Acids / Q000627:therapeutic use; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*
D013451:Sulfonic Acids; D008697:Methane; D007538:Isoniazid