For citations:
Gabriel S.A., Dynko V.Yu., Bespechny M.V., Guchetl A.Ya., Tlekhuray R.M. Clinical efficiency of POEM operation in patients with achalasia of cardias. Innovative Medicine of Kuban. 2020;(1):52-55. (In Russ.) https://doi.org/10.35401/2500-0268-2020-17-1-52-55