Sichinava, I.V. and Ivardova, M.I. 2026. THE ROLE OF THE GASTROINTESTIAL MICROBIOTA Helicobacter pylori, AND CLINICAL ALGORITHS FOR THE DIAGNOSIS OF CHRONIC GASTRITIS IN CHILDREN: FROM PATHOPHYSIOLOGY TO PRACTICE. The Caucasus Journal of Medical and Psychological Sciences. 3, 3-4 (May 2026), 33–45. DOI:https://doi.org/10.61699/cjmps-v3-i3-4-p33-45.