00589naa#a2200193#i#450# EN\\bibl\35134 /en/manage/index 20250728203924.1 2077-7566 20191228b2019####ek#y0engy0150####ca RUS RU AGE ASPECTS OF TREATMENT OF TEETH DISCOLORITIS Journal article Ekaterinburg TIRAZH Publishing House 2019 4 с. Journal article local Клиническая медицина. 76.29 grnti Titova Ol'ga Yur'evna fht.editorum.ru /en/manage/index