CORRELATION BETWEEN IMMUNOLOGIC HOMEOSTASIS AND INFECTING WITH HELICOBACTER PYLORI IN ADOLESCENTS WITH GASTRODUODENAL PATHOLOGY AGAINST THE BACKGROUND OF SYSTEMIC CONNECTIVE TISSUE DYSPLASIA. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. [Internet]. 2015 Jul. 4 [cited 2026 Oct. 25];(9):37-41. Available from: https://periodicals.karazin.ua/medicine/article/view/7190