For citations:
Fabikantov O.L., Lev I.V., Agarkov N.M., Osmanov R.E. Matrix Metalloproteinases in Predicting Nonproliferative Diabetic Retinopathy in Old Age. Ophthalmology in Russia. 2022;19(4):803-807. (In Russ.) https://doi.org/10.18008/1816-5095-2022-4-803-807