Radziwon, Piotr. “Why It Is Worth to Consider Use of Erythropoiesis Stimulating Agents in Anemia Treatment of Cancer Patients?”. Medycyna Faktow (J EBM) 9, no. 4(33) (December 31, 2016): 359-366. Accessed April 19, 2025. https://journalsmededu.pl/index.php/jebm/article/view/2213.