Крюк, Ю., Селезнев, К., AND Хомяков, К.. " EVALUATION OF THE SEVERITY OF THE CONDITION OF PATIENTS AND PROGNOSTICATION OF RECURRENT FREQUENCY IN CHRONIC PURULENT RHINOSINUSITIS" Архив клинической и экспериментальной медицины [Online], Volume 26 Number 2 (26 October 2017)