For citations:

MAMCHUR S.E., KHOMENKO E.A., BOKHAN N.S., ROMANOVA M.P., CHICHKOVA T.Yu. MITRAL ISTHMUS BLOCK VERIFICATION USING A SINGLE CATHETER. Complex Issues of Cardiovascular Diseases. 2017;(1):148-152. (In Russ.) https://doi.org/10.17802/2306-1278-2017-1-148-152