By deflating the lungs pulmonologists help the cardiologists. A literature review N. Siafakas; A. Trachalaki;

Dynamic hyperinflation, chronotropic intolerance and abnormal heart rate recovery in non-severe chronic obstructive pulmonary disease patients-reflections in the mirror R.V. Cherneva; V.M. Youroukova; Zh.Vl. Cherneva;

Cardio-pulmonary-exercise testing, stress-induced right ventricular diastolic dysfunction and exercise capacity in non-severe chronic obstructive pulmonary disease Radostina Vlaeva Cherneva; Stefan Veselinov Denchev; Zheina Vlaeva Cherneva;