Vikhe, Vikram B, Prakash S Shende, Rahul S Patil, Krunal K Tamakuwala, Amol S Patil, and Ankur P Gupta. 2013. “CARDIOVASCULAR COMPLICATIONS IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH REFERENCE TO 2D ECHOCARDIOGRAPHY FINDINGS”. National Journal of Medical Research 3 (04):385-88. https://njmr.in/index.php/file/article/view/677.