For citations:
Sivkov O.G., Kuzovlev A.N., Sivkov A.O., Sivkovа E.O. Nitrogen balance as a predictor of severe acute pancreatitis during early enteral feeding. Messenger of ANESTHESIOLOGY AND RESUSCITATION. 2025;22(1):57-67. (In Russ.) https://doi.org/10.24884/2078-5658-2025-22-1-57-67