For citations:

Zhestkova T.V., Butov M.A., Krupnov N.M., Davidova V.A., Logvinova A.S. Assessment the frequency of Helicobacter pylori infection in patients with morphological alterations of gastric mucosa. Experimental and Clinical Gastroenterology. 2021;(3):125-129. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-187-3-125-129