title: Ethambutol treatment of tuberculosis in a controlled trial.
mesh_terms: D000328:Adult; D000368:Aged; D000636:Aminosalicylic Acids / Q000009:adverse effects / Q000627:therapeutic use; D004352:Drug Resistance, Microbial; D004977:Ethambutol / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D007538:Isoniazid / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D013902:Radiography, Thoracic; D013183:Sputum / Q000382:microbiology; D013997:Time Factors; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D000636:Aminosalicylic Acids; D004977:Ethambutol; D007538:Isoniazid