For citations:

Dedov A.V., Mustafin R.D., Polukhina E.A. About the difficuties of the diagnostics and treament of the Klatskin`s tumour. Astrakhan medical journal. 2023;18(2):110–119. (In Russ.) https://doi.org/10.29039/1992-6499-2023-2-110-119