For citations:
Chushkin M.I., Mandrykin S.Yu., Janus V.M., Anokhin N.V., Popova L.A., Struchkov P.V. Negative result of exercise testing in patient with severe coronary artery disease. Kardiologiia. 2020;60(3):149-153. (In Russ.) https://doi.org/10.18087/cardio.2020.3.n570