Vidhiyasagaran J, Pallavi Kulkarni,  James P.T, and Manimekalai K. 2025. “ECHOCARDIOGRAPHIC FINDINGS AND ITS CORRELATION WITH THE SEVERITY OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE IN A TERTIARY CARE HOSPITAL AT NORTH KERALA: A CROSS-SECTIONAL STUDY”. Journal of Population Therapeutics and Clinical Pharmacology 32 (1): 1059-67. https://doi.org/10.53555/m71avz12.