Tuberculosis bacteriology in developing countries.
D001431:Bacteriological Techniques; D003906:Developing Countries; D006801:Humans; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification*; D013048:Specimen Handling; D013183:Sputum / Q000382:microbiology; D014376:Tuberculosis / Q000382:microbiology*