Khaidirman SK, Mukhtar Z, Sarastri Y, Ketaren AP, Raynaldo AH, Andra CA. 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. JSocMed [Internet]. 2023 May 31 [cited 2025 Apr. 18];2(5):148-54. Available from: https://jsocmed.org/index.php/go/article/view/33