THE STATE OF LOCAL IMMUNITY OF THE ORAL CAVITY IN PERSONS WITH DISEASES OF MUCOUS MEMBRANE AND THE DIFFERENT DEGREE OF COLONIZATION OF THE STOMACH BY HELICOBACTER PYLORI BEFORE AND AFTER TREATMENT - S. U. Kosyuga; V. I. Ashkinazi; S. E. Varvanina (Кубанский научный медицинский вестник, 2016)