Mathematical substantiation of the method for assessing the risk of progression of diabetic retinopathy with serum leptin determination in patients with metabolic syndrome and diabetes mellitus. Ukr. j. ophthalmol. [Internet]. 2026 Jan. 14 [cited 2026 Aug. 9];(2):17-22. Available from: https://ua.ozhurnal.com/index.php/files/article/view/716