Yusupov, S. A., B. L. Davranov, U. T. Suvonkulov, and B. N. Rahmatov. “Efficiency of an Ultrasound Sonography in Case of Appendicular Peritonitis Among Children”. Science and Education, vol. 4, no. 4, Apr. 2023, pp. 120-8, https://openscience.uz/index.php/sciedu/article/view/5495.