00749naa#a2200217#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200016300102210004800265215001000313608002700323686005800350700002100408700002900429700003100458700002200489856002000511EN\\bibl\2852720240502171354.4##a2077-7566##a20190506b2019####ek#y0engy0150####ca0#aRUS##aRU1#aANALYSIS OF THE CAUSES OF FAILURE OF ENDODONTIC TREATMENT AND THE CAUSES OF TOOTH EXTRACTION WITH A DIAGNOSIS OF CHRONIC APICAL PERIODONTITISeJournal article1#aEkaterinburgcTIRAZH Publishing Housed2019##a4 с.##aJournal article2local##aКлиническая медицина. 76.292grnti#1aKuratovgIlia A.#1aNagaevagMarina Olegovna#1aKorneevagMaria Vasil'evna#1aSurkovgMaksim A.4#adental-press.ru