A Clinical Study on the Efficacy and Safety of Xuanfei Baidu Granule in the Treatment of Acute Exacerbation of Chronic Obstructive Pulmonary Disease
Conditions
- Acute Exacerbation of Chronic Obstructive Pulmonary Disease
Interventions
- DRUG: Xuanfei Baidu granule
- DRUG: Xuanfei Baidu granule Placebo
Sponsor
Peking University People's Hospital