The article presents a review of current European and Russian guidelines on diagnostics and treatment of exocrine pancreatic insufficiency in patients with chronic pancreatitis. Results of our own comparative study on treatment of 55 chronic pancreatitis patients with low and adequate doses of pancreatic enzyme replacement therapy (PERT) confirm the need for usage of recommended doses... https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC550-WUH721816ALE6L0-0F38460-16TB-7-2K-RPM-SATA-6Gb-s-512e-ISE-3-5in-Hard-Drive/