00708naa#a2200205#i#450# EN\\bibl\33257 20241124164040.7 2077-7566 20191025b2019####ek#y0engy0150####ca RUS RU CAUSES, DIAGNOSIS AND TREATMENT OF MAXILLARY SINUSITIS, THE CURRENT STATE OF THE PROBLEM Journal article Ekaterinburg TIRAZH Publishing House 2019 7 с. Journal article local Клиническая медицина. 76.29 grnti Dregalkina Anna Aleksandrovna Kostina Irina Nikolaevna Salii Olga Vladimirovna dental-press.ru