EVALUATION OF THE ANATOMICAL AND FUNCTIONAL VIABILITY OF DACRYOCYSTORHINOSTOMY OSTIUM IN THE POSTOPERATIVE PERIOD ArticleNersesyan M.V., Surnina Zoya Vasilievna, Krakhovetskiy Nikolay N., Maydanova A.A., Popadyuk V.I., Galkina T.A., Zhogoleva T.N.Медицинский совет. Том 19. 2025. С. 116-122