For citations:
Tokmachev R.E., Mukhortova M.S., Budnevsky A.V., Tokmachev E.V., Ovsyannikov E.S. Comorbidity of chronic heart failure and chronic obstructive pulmonary disease: features of pathogenesis, clinic and diagnostics. Cardiovascular Therapy and Prevention. 2018;17(6):62-68. (In Russ.) https://doi.org/10.15829/1728-8800-2018-6-62-68