Gubergrits, N. B., N. V. Byelyayeva, A. Klochkov, G. M. Lukashevich, and P. G. Fomenko. “Differentiated Approach to Replacement Therapy in Exocrine Pancreatic Insufficiency”. Herald of Pancreatic Club, Vol. 47, no. 2, Apr. 2020, pp. 37-49, doi:10.33149/vkp.2020.02.04.