Muraviov, P. T., B. S. Zaporozhchenko, I. Y. Borodaiev, K. P. Kirpichnikova, V. H. Shevchenko, V. B. Volkov, and H. Makrem. “The Effect of Hyperbilirubinemia on Pain Intesity in Patients With Pancreatobiliaric Cancer During Perioperative Period”. Pathologia, no. 3, Dec. 2020, doi:10.14739/2310-1237.2020.3.221820.