00666naa#a2200181#i#4500001001400000005001700014100004100031102000700072200014500079210004800224215001000272608003700282675005600319700003500375700003300410700002100443856002000464EN\\bibl\405820240722145828.1##a20200218b2020####ek#y0engy0150####ca##aRU1#aANALYSIS OF RISK FACTORS FOR RECESSION OF THE GUMS                                       IN PERSONS OF MIDDLE AGEeConference article/thesis1#aEkaterinburgcTIRAZH Publishing Housed2020##a2 с.##aConference article/thesis2local##aМедицина. Охрана здоровья. 61#1aElovicovagTat'yana Mihaylovna#1aGrirorievgSergey Sergeevich#1aIsmailovagS. H.4#adental-press.ru