Burtkhanovich, Khasanov Bakhtiyor. “Peculiarities of Digestive Organs Development in Ontogenesis”. American Journal of Pediatric Medicine and Health Sciences (2993-2149) 1, no. 4 (June 8, 2023): 42–48. Accessed July 6, 2024. http://grnjournal.us/index.php/AJPMHS/article/view/218.