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Relationship of pulmonary percent emphysema and right ventricle parameters in chronic obstructive pulmonary disease patients with pulmonary hypertension.
A. Right ventricular end-diastolic volume (R2 = 0.340, p = 0.023). B. Right ventricular stroke volume (R2 = 0.406, p = 0.011). C. Right ventricular cardiac output (R2 = 0.382, p = 0.014).
