00671naa#a2200193#i#450# EN\\bibl\22524 20240419213812.5 2077-7566 20161225b2016####ek#y0engy0150####ca RU HYGIENIC CONDITION OF THE ORAL CAVITY AND THE LEVEL OF HYGIENE KNOWLEDGE AMONG WORKERS OF PETROCHEMICAL PRODUCTION Journal article Ekaterinburg TIRAZH Publishing House 2016 4 с. Journal article local Клиническая медицина. 76.29 grnti Sabitova R. I. Kabirova Milyausha Fauzievna Shakirov Damir Faizovich dental-press.ru