Zharylkasynova, G. J., and G. I. Akhmedova. “Iron Deficiency in Patients With Chronic Heart Failure”. American Journal of Pediatric Medicine and Health Sciences (2993-2149) 1, no. 9 (November 17, 2023): 146–150. Accessed July 6, 2024. https://grnjournal.us/index.php/AJPMHS/article/view/1382.