Vyshnyvetskyy, I. I., Kholopov, L. S., & Batashova-Halynska, V. O. (2017). Clinical characteristics of the respiratory and cardiovascular systems in patients with combination of chronic obstructive pulmonary disease and heart failure. Zaporozhye Medical Journal, (3). https://doi.org/10.14739/2310-1210.2017.3.100572