Ilyasov, Aziz Saidmuradovich, and Fazliddin Sadriddinovich Turaev. 2021. “Morphofunctional Features of the Structure of Gastrointestinal Tract Spincters”. International Journal of Development and Public Policy 1 (4):59-64. https://oajournals.net/index.php/ijdpp/article/view/209.