Agrawal, Bimal, Gaurav Aggarwal, Robin Gahlawat, Suvarna Prasad, Amit Saini, Barinder Kaur, and Usha Agrawal. “A Profile of Heart Failure With Preserved Ejection Fraction in a Teaching Hospital”. Bangladesh Journal of Medical Science 20, no. 1 (January 1, 2021): 39-44. Accessed June 25, 2021. https://www.banglajol.info/index.php/BJMS/article/view/50343.