Jatav, Vinod Singh, S. R. Meena, Shivcharan Jelia, Pankaj Jain, Devendra Ajmera, Vinit Agarwal, Chirangee L. Dayma, and Mohd. Arif. 2017. “Echocardiographic Findings in Chronic Obstructive Pulmonary Disease and Correlation of Right Ventricular Dysfunction With Disease Severity”. International Journal of Advances in Medicine 4 (2):476-80. https://doi.org/10.18203/2349-3933.ijam20171045.