Kędzierska EA, Petelczyc K, Kakarenko K, Bieda M, Kowalczyk A, Byszewska A, et al. Standardized ETDRS charts for mobile devices. Photonics Lett. Pol. [Internet]. 2017 Sep. 30 [cited 2024 Apr. 23];9(3):pp. 88-90. Available from: https://www.photonics.pl/PLP/index.php/letters/article/view/9-32