N. B. Gubergrits, N. V. Byelyayeva, KlochkovА. Y., LukashevichG. М., P. G. Fomenko, and V. S. Rachmetova, “Enzyme replacement therapy, life quality and expectancy of patients with chronic pancreatitis and exocrine pancreatic insufficiency”, BCP, vol. 40, no. 3, pp. 10-16, Sep. 2018.