Belovol, A. N., P. G. Kravchun, and N. G. Ryndina. “Character of Iron Deficiency in Patients With Anemia of Different Degrees of Severity, Developed Against the Background of Chronic Heart Failure”. Zaporozhye Medical Journal 15, no. 2 (July 16, 2013). Accessed July 23, 2024. http://zmj.zsmu.edu.ua/article/view/15548.