E. Y. Sorokina, L. S. Belykh, A. N. Panin, E. V. Nikitina, I. A. Kovrizhin, and O. P. Strah, “Assessment of gastrointestinal dysfunction in selection of an effective method of nutritional support in patients with acute pancreatitis”., Med. perspekt., vol. 23, no. 2, pp. 125–130, Jun. 2018.