Jurkowski, F., Sito, M., Marczak, Z., Wójcik, Łukasz, Gawron, N., Bojanowski, H. T., … Czmyr, J. (2026). Iron Deficiency in Heart Failure: Pathophysiology, Diagnosis, and Therapeutic Strategies – A Narrative Review. Journal of Education, Health and Sport, 89, 69956. https://doi.org/10.12775/JEHS.2026.89.69956