Usenko, O. Y., V. M. Kopchak, I. V. Khomiak, A. I. Khomiak, and A. V. Malik. “Results of Surgical Treatment of Paraduodenal (groove) Pancreatitis”. Klinicheskaia Khirurgiia, Vol. 85, no. 11, Jan. 2019, pp. 5-8, doi:10.26779/2522-1396.2018.11.05.