For citations:

Stranadko E.P., Shabarov V.L., Riabov M.V., Duvanskiy V.A. Endoscopic photodynamic recanalization of obstructive cancer of the esophagus. Laser Medicine. 2021;25(3S):37-38. (In Russ.) https://doi.org/10.37895/2071-8004-2021-25-3S-37-38