Laksono, Sidhi, et al. “Role of Primary Care in Management of Heart Failure Preserved Ejection Fraction (HFpEF): A Literature Review”. Journal of Drug Delivery and Therapeutics, vol. 12, no. 3-S, June 2022, pp. 221-4, https://doi.org/10.22270/jddt.v12i3-S.5508.