title: Comparison of various staining methods for demonstration of tubercle bacilli in suputum by direct microscopy.
mesh_terms: D006801:Humans; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification*; D013183:Sputum / Q000382:microbiology*; D013194:Staining and Labeling; D014376:Tuberculosis / Q000175:diagnosis