For citations:
Smirnov A.A., Lyubchenko M.E., Kiriltseva M.M., Konkina N.V., Korchak M.V., Kraskov A.V., Merzlyakov V.M., Yaitsky N.A., Bagnenko S.F. Submucosal fibrotic changes in patients with esophageal achalasia. Grekov's Bulletin of Surgery. 2020;179(3):62-68. https://doi.org/10.24884/0042-4625-2020-179-3-62-68