Vishal Chopra, Mohan V, Bansal A, Kaur P, and Anu. “To Study Etiology and Clinico-Radiological Profile of Patients Presenting With Pleural Effusion”. GMC Patiala Journal of Research and Medical Education, vol. 1, no. 2, Dec. 2018, pp. 107-10, https://jrme.gmcpatiala.edu.in/index.php/j/article/view/22.