Turdiev Mashrab Rustamovich, and Olimova Aziza Zokirovna. “Optimization of Functional Diagnostics of Gastrointestinal Tract Diseases”. American Journal of Pediatric Medicine and Health Sciences (2993-2149) 1, no. 8 (October 30, 2023): 421–427. Accessed July 4, 2024. http://grnjournal.us/index.php/AJPMHS/article/view/1156.