EVIDENCE OF OXIDATIVE STRESS DEVELOPMENT IN PANCREATIC CELLS OF RATS WITH CHRONICALLY SUPPRESSED GASTRIC ACID SECRETION. - Borodina, T.; Dvorshchenko, K.; Vakal, S.; Dranitsina, A.; Ostapchenko, L. (Bulletin of Taras Shevchenko National University of Kyiv / Vestnik Kievskogo Nacional'Nogo Universiteta Imeni Tarasa Ševčenko, 2013)