For citations:
Malishevskaya T.N., Petrov S.Yu., Kosakyan S.M., Vlasova S.A. When is preservative-free therapy of glaucoma needed and advisable? Russian Ophthalmological Journal. 2021;14(3):25-31. (In Russ.) https://doi.org/10.21516/2072-0076-2021-14-3-25-31