Yusupov А., Satvaldieva Э., Fayziev О., Mamatkulov И., and Ismailova М. “Anesthesiological Provision of Operations on the Abdominal Organs”. in Library, vol. 21, no. 2, Apr. 2021, pp. 98-99, https://www.inlibrary.uz/index.php/archive/article/view/18868.