A., G.-A. M., D. N. G., and Mamurov O. I. “The Examined Patients Before and After Chemotherapy in the Study Groups”. American Journal of Pediatric Medicine and Health Sciences (2993-2149), vol. 2, no. 2, Feb. 2024, pp. 364-7, http://grnjournal.us/index.php/AJPMHS/article/view/3204.