00483naa#a2200157#i#450# EN\\bibl\21741 20241124173155.7 2077-7566 20151025b2015####ek#y0engy0150####ca RU Eyesore of periodontitis as a symptomatic indicant of women’s estrogen deficiency Journal article Ekaterinburg TIRAZH Publishing House 2015 3 с. Journal article local Sherbakov I. V. dental-press.ru