For citations:
Godzhello E.A., Bulganina N.A., Khrustaleva M.V. Heterotopia of gastric mucosa and long segmental Barrett’ oesophagus complicated by cicatricial stricture of the upper third of the oesophagus. Experimental and Clinical Gastroenterology. 2021;1(5):92-96. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-189-5-92-96