Kr Saha, B., Sarkar, D., Sarkar, L. and Bandyopadhyay, R. 2018. Left ventricular dysfunction in chronic obstructive pulmonary disease. International Journal of Medical Research and Review. 6, 7 (Oct. 2018), 385-390. DOI:https://doi.org/10.17511/ijmrr.2018.i07.08.