Kurbanova L.M., Kholyarova G.R., and Kamalova M.I. “ISSUES OF DIFFERENTIAL DIAGNOSIS OF INFLAMMATORY AND FUNCTIONAL INTESTINAL DISEASES (LITERATURE REVIEW)”. World Bulletin of Public Health, vol. 21, Apr. 2023, pp. 171-4, https://scholarexpress.net/index.php/wbph/article/view/2577.