Devkota, Krishna Chandra, S Hamal, and PP Panta. “Comparison of Heffner Criteria and Light Criteria in Differentiating Exudative and Transudative Pleural Effusion”. Nepal Medical College Journal 22, no. 3 (November 2, 2020): 141–145. Accessed July 17, 2024. https://nepjol.info/index.php/nmcj/article/view/32638.