Usarov M.Sh, Otakulov Z.Sh, and Rakhmonkulov Sh. H. “Contrast-Enhanced Ultrasound in the Differential Diagnosis of Focalnodular Hyperplasia and Hepatocellular Liver Adenoma”. Journal the Coryphaeus of Science, vol. 4, no. 4, Dec. 2022, pp. 70-79, http://jtcos.ru/index.php/jtcos/article/view/21.