00875naa#a2200241#i#450# EN\\bibl\22363 20250428130224.1 2077-7566 20180725b2018####ek#y0engy0150####ca RUS RU ESTIMATION OF PREVALENCE OF MAIN PERIODONTAL PATHOGENS AT WORKERS OF PETROCHEMICAL PRODUCTION WITH CHRONIC PERIODONTAL DISEASES Journal article Ekaterinburg TIRAZH Publishing House 2018 5 с. Journal article local Медицина. Охрана здоровья. 61 RUS Клиническая медицина. 76.29 grnti Zaydullin Iskander Il'darovich Karimov Denis O. Valeeva El'vira Timer'yanovna Galimova Rasima Rasihovna Kabirova Milyausha Fauzievna dental-press.ru