Fedulenkova, Y., and Y. Vikman. “Possibilities of Doppler Ultrasonography in Valuing of Morfofunctional Condition of Liver for Patients With Viral Hepatitis and Hepatocirrhosis”. Inter Collegas, Vol. 1, no. 1, Oct. 2014, pp. 65-72, doi:10.35339/ic.1.1.65-72.