Kolodzeyskiy, Y. A., V. I. Shishko, KarpovichА. A., Y. Y. Shelkovich, and T. N. Yakubchik. “24-HOUR ESOPHAGEAL MULTICHANNEL PH-IMPEDANCE MONITORING IN THE DIAGNOSIS OF GASTROESOPHAGEAL REFLUX DISEASE (CLINICAL CASES)”. HEPATOLOGY and GASTROENTEROLOGY, Vol. 5, no. 2, Dec. 2021, pp. 197-04, doi:10.25298/2616-5546-2021-5-2-197-204.