10
Participants
Start Date
November 20, 2020
Primary Completion Date
June 21, 2021
Study Completion Date
July 3, 2021
Resistance of the respiratory system
increase the resistance of the respiratory system of the chronic obstructive pulmonary disease patients
1State Key Laboratory of Respiratory Disease, National clinical research center for respiratory disease, Guangzhou Institute of respiratory health. 2The First Affiliated Hospital of Guangzhou Medical University, Guangzhou
The First Affiliated Hospital of Guangzhou Medical University
OTHER