Grzybowski A, Maciejewski A, Zajdel J. Costs and risks associated with cataract surgery financed under the cross-border directive. Ophthatherapy [Internet]. 2016Sep.30 [cited 2024Nov.22];3(3):218-23. Available from: https://journalsmededu.pl/index.php/ophthatherapy/article/view/621