Chansung, K., N. Pong-anan, C. Chaikuna, C. Rungcherdpha, and A. Piankijagum. “Diagnostic Test for Pleural Effusion: Comparison of the Effectiveness Between Cytological Examination and Blind Needle Pleural Biopsy”. Srinagarind Medical Journal, vol. 13, no. 4, Nov. 2013, pp. 206-13, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14107.