Nishanth, P. S., T. V. Devassy, and T. Jose. “Diagnostic Utility of Cancer Ratio in Differentiating Malignant from Non-Malignant Pleural Effusions in a Tertiary Care Centre in Central Kerala”. International Journal of Advances in Medicine, vol. 9, no. 2, Jan. 2022, pp. 102-6, doi:10.18203/2349-3933.ijam20220116.