Sirman, Ya., and I. Savytskyi. “Research of Changes in the Level of Vascular Endothelial Growth Factor in Experimental Diabetic Retinopathy. Comparison of Methods of Correction”. Journal of Education, Health and Sport 11, no. 4 (April 30, 2021): 247–257. Accessed September 1, 2024. https://apcz.umk.pl/JEHS/article/view/40287.