00591naa#a2200169#i#450# EN\\bibl\21704 20241122093342.5 2077-7566 20160726b2016####ek#y0engy0150####ca RU An integrated approach to the treatment of in ammatory periodontal diseases in patients with helicobacter pylori-associated gastroduodenal pathology Journal article Ekaterinburg TIRAZH Publishing House 2016 6 с. Journal article local Orlova E. S. Bragin Aleksandr Vitalievich dental-press.ru