628
Participants
Start Date
January 1, 2018
Primary Completion Date
December 31, 2020
Study Completion Date
December 31, 2020
the single-breath helium dilution method and Whole-body plethysmography
The patients with obstructive lung disease simultaneously subjected to the single-breath helium dilution method and Whole-body plethysmography tests.
Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou
Second Affiliated Hospital, School of Medicine, Zhejiang University
OTHER