Khaidirman, Sophia Khairina, Zulfikri Mukhtar, Yuke Sarastri, Andre Pasha Ketaren, Abdul Halim Raynaldo, and Cut Aryfa Andra. “The Relationship Between Pre Discharge Left Ventricle Diastolic Dysfunction and 30 Days And 6 Months Rehospitalization in Patients With Heart Failure With Reduced Ejection Fraction (HFrEF) at Haji Adam Malik General Hospital Medan”. Journal of Society Medicine 2, no. 5 (May 31, 2023): 148–154. Accessed April 18, 2025. https://jsocmed.org/index.php/go/article/view/33.