1. Cruz AA Global surveillance, prevention and control of chronic respiratory diseases: A comprehensive approach. In: Bousquet J, Khaltaev N, editors. World Health Organization. Geneva: WHO Press; 2007.
2. Bailey TP Scott’s Diagnostic Microbiology. 13th ed. St. Louis, MO: Elsevier Mosby; 2007. p. 878-91.
3. Global Tuberculosis Report 2019. Geneva: World Health Organization; 2019.
4. Barnard M, Albert H, Coetzee G, O’Brien R, Bosman ME Rapid molecular screening for multidrug-resistant tuberculosis in a high-volume public health laboratory in South Africa. Am J Respir Crit Care Med 2008;177:787-92.
5. Duguid JP Staining methods. In: Collee JG, Marmion BP, Fraser A, Simmons A, editors. Mackie & McCartney Practical Medical Microbiology. 14th ed. New York: Churchill Livingstone; 2006; p. 793-812.