For citations:

Karaseva E.A., Martynov V.A., Klochkov I.N., Ageeva K.A. Status of the mucosa of the upper gastrointestinal tract in patients with acute viral hepatitis B. Experimental and Clinical Gastroenterology. 2022;(10):19-24. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-206-10-19-24