For citations:
Godzhello E.A., Khrustaleva M.V., Shatveryan D.G., Bulganina N.A. Diagnosis and treatment of achalasia — a review of foreign literature. Experimental and Clinical Gastroenterology. 2020;174(5):21-35. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-177-5-21-35