Gubergrits, N. B., Belyayeva, N. V., Klochkov, O. Y. and Fomenko, P. G. (2019) “Exocrine pancreatic insufficiency in diabetes mellitus: frequency, pathogenesis, diagnosis, treatment”, Herald of Pancreatic Club, 44(3), pp. 7-22. doi: 10.33149/vkp.2019.03.01.