00582naa#a2200169#i#450# EN\\bibl\2704 20240504013557.6 20180706b2018####ek#y0engy0150####ca RU Morphological aspects of the issues in the treatment of chronic apical periodontitis Conference article/thesis Ekaterinburg TIRAZH Publishing House 2018 2 с. Conference article/thesis local Клиническая медицина. 76.29 grnti Mozgovaya A. A. Kosolapova E. Yu. dental-press.ru