Koseva, D., E. Hristova, and Z. Zlatarova. “Vascular and Perfusion Density in Superficial Capillary Plexus of Macula As a Biomarker for Appearance of Diabetic Retinopathy”. Science, Engineering and Health Studies, vol. 17, Dec. 2023, p. 23050022, https://li01.tci-thaijo.org/index.php/sehs/article/view/258850.