00834naa#a2200265#i#450# EN\\bibl\46771 20241122011415.5 2077-7566 20211112b2021####ek#y0engy0150####ca RUS RU FEATURES OF THE CLINICAL STATE OF PERIODONTAL TISSUES IN YOUNG PEOPLE Journal article Ekaterinburg TIRAZH Publishing House 2021 5 с. Journal article local Медицина. Охрана здоровья. 61 RUS Usmanova Irina N. Al-Qufaish M.A.M. Kuznetsova Lilia I. Shangareeva Alia Irekovna Kashina Sofia M. Usmanov Irek Ramimovich Tkachenko Elena V. Osipenko Albina Galimovna dental-press.ru