For citations:
Stepanov S.O., Rubtsova N.A., Sidorov D.V., Petrov L.O., Mitina L.A., Kazakevich V.I., Slavnova Ye.N., Prozorova E.V. Ultrasound investigation in estimation of vascular invasion and morphological verification of pancreatic tumors. Russian Journal of Gastroenterology, Hepatology, Coloproctology. 2014;24(5):86-91. (In Russ.)