Harahap, Astry Amelia, Alwi Thamrin Nasution, and Rahmat Isnanta. “The Relationship Between Serum Ferritin Levels and Left Ventricular Function in Patients Undergoing Hemodialysis”. Journal of Society Medicine 2, no. 10 (October 31, 2023): 333–338. Accessed March 13, 2025. https://jsocmed.org/index.php/go/article/view/90.