Investigation on the relation of impedance rheopneumogram with pulmonary hemodynamics and right ventricular function in patients with chronic obstructive pulmonary disease

1990 ◽  
Vol 10 (2) ◽  
pp. 77-82
Author(s):  
Xu Yong-jian ◽  
Zhang Zheng-Xiang ◽  
Duan Sheng-fu
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