SYNDROME OF SMALL INTESTINAL BACTERIAL OVERGROWTH IN EROSIVE AND ULCERATIVE LESIONS OF THE GASTRODUODENAL ZONE IN CHILDREN children, small intestinal bacterial overgrowth syndrome, functional disorders, erosive and ulcerative lesions, gastroduodenal zone Gulsara Kozhonazarova, N. Babadzhanov, K. Zhumakalyeva https://doi.org/10.54890/1694-6405_2022_5_131