Abdurakhmanovich, Khamidov Obid, and Gaybullaev Sherzod Obid ugli. 2022. “Ultrasonic Diagnosis Methods for Choledocholithiasis”. Central Asian Journal of Medical and Natural Science 3 (2), 43-47. https://cajmns.centralasianstudies.org/index.php/CAJMNS/article/view/619.