Drozhzhyna, Galyna, et al. “Lactoferrin Concentration in Tears of Patients With Chronic Conjunctivitis and Effect of Lacto Eyedrops in the Multicomponent Treatment for This Disorder”. Ukrainian Journal of Ophthalmology , no. 1, Feb. 2023, pp. 39-45, doi:10.31288/oftalmolzh202313945.