Ayyali Ambresh, and Shilpa A. “Cholesterol As a Marker in Differentiation of Types of Pleural Effusion”. International Journal of Health and Clinical Research 4, no. 10 (May 27, 2021): 273–277. Accessed February 5, 2026. https://www.ijhcr.com/index.php/ijhcr/article/view/1931.