1. 1. Abdullaev RJa, Efimenko SG, Sorokin IM, Fedak BS. Ul'trazvkovaja diagnostika pri travme zhivota. Uchebnoe posobie. [Ultrasound diagnosis with abdominal trauma. Educational allowance]. Moscow: Novoe slovo; 2008. 52p. Russian.
2. 2. Vetsheva NN, Fisenko EP, Stepanova JuA i dr. Ul'trazvukovoe issledovanie s kontrastnym usileniem: terminologija, tehnicheskie i metodologicheskie aspekty. Medicinskaja vizualizacija. [Ultrasound study with contrast enhancement: terminology, technical and methodological aspects Medical imaging]. 2016;4:132—140. Russian.
3. 3. Vozianova ZhI, Golubovskaja OA. Vozmozhnosti sovremennogo kompleksnogo ul'trazvukovogo issledovanija pecheni u bol'nyh hronicheskim virusnym gepatitom C [Possibilities of modern complex ultrasound examination of liver in patients with chronic viral hepatitis C]. Zhurn. Akad. nauk Ukrainy. 2007;14(4):72—86. Russian.
4. 4. Zorin JaP, Bojcova MG, Karlova NA. Osnovy analiza ul'trazvukovogo izobrazhenija [Fundamentals of ultrasound image analysis]. Luchevaja diagnostika i terapija. 2015;1:88—93. Russian.
5. 5. Ivashkin VT, Maevskaja MV. Alkogol'no—virusnye zabolevanija pecheni. [Alcohol and viral diseases of the liver]. Moscow: Litera; 2007. 160p. Russian.