U. . Tansuphasiri, B. . Kladphuang, D. . Rienthong, and D. . Sujirarat, “A Comparison of Sputum Examination for Acid Fast Bacilli by Modified Cold Stain And Ziehl-Neelsen Stain for Screening of Pulmonary Tuberculosis”, Siriraj Med J, vol. 53, no. 5, pp. 284–295, Aug. 2020.