Yiqi Huoxue Huatan Granule for Reducing Mortality in COPD With Chronic Respiratory Failure
Conditions
- Chronic Obstructive Pulmonary Disease
- Chronic Respiratory Failure
Interventions
- DRUG: Yiqi Huoxue Huatan granule
- DRUG: Placebo Yiqi Huoxue Huatan granule
Sponsor
Peking University People's Hospital
Collaborators