Vyshnyvetskyy, I.I., and A. Yu. Borovtsova. “The Impact of Chronic Heart Failure on Misinterpretation and Misclassification of Chronic Obstructive Pulmonary Disease Severity”. Zaporozhye Medical Journal 18, no. 2 (May 23, 2016). Accessed May 24, 2025. https://zmj.zsmu.edu.ua/article/view/69204.