Ishaque Shaikh S, Ahmed Z, Ahmed S, Kafeel Meo A, Rehman AU, Baqai L, Ali M, Yaqoob S. A Comparison of Readmission Rates in Heart Failure with Preserved Ejection Fraction (HFpEF) V/S Heart Failure with Reduced Ejection Fraction (HFrEF): Heart Failure with Preserved V/S Reduced Ejection Fraction. PJHS-Lahore [Internet]. 2022 Dec. 31 [cited 2024 Dec. 23];3(07):137-41. Available from: https://mail.thejas.com.pk/index.php/pjhs/article/view/439