00778naa#a2200241#i#450# EN\\bibl\40246 /en/manage/index 20250325135147.2 2077-7566 20201105b2020####ek#y0engy0150####ca RUS RU INFLUENCE OF AGE ON PERIODONTAL HUMAN HEALTH Journal article Ekaterinburg TIRAZH Publishing House 2020 6 с. Journal article local Медицина. Охрана здоровья. 61 RUS Semencova Elena Anatolievna Bazarnyy Vladimir Viktorovich Mandra Yuliya Vladimirovna Polushina Larisa Georgievna Svetlakova Elena Nikolaevna test.editorum.ru /en/manage/index