Usenko, A. Y., A. V. Skums, and A. A. Skums. “Implementation of an Accelerated Recovery Program for Pancreatoduodenectomy”. Reports of Vinnytsia National Medical University, Vol. 24, no. 2, Oct. 2020, pp. 286-91, doi:10.31393/reports-vnmedical-2020-24(2)-15.