scholarly journals Reduced enhancement of high-frequency component in the cross spectrum of ECG and nostril airflow signals in patients with chronic obstructive pulmonary disease

2016 ◽  
Vol 4 (7) ◽  
pp. e12763
Author(s):  
Wan-An Lu ◽  
Jane Kuo ◽  
Yan-Min Wang ◽  
Te-Cheng Lien ◽  
Yen-Bin Liu ◽  
...  
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