For citations:

Golovanova M.A., Saakyan S.V., Denisenko A.N. Epidemiology of ophthalmooncology among the adult population of the Nizhny Novgorod Region. Head and Neck Tumors (HNT). 2019;9(4):43-48. (In Russ.) https://doi.org/10.17650/2222-1468-2019-9-4-43-48