Effect of Yong Chong Cao Capsule on Outcomes in Patients With Mild to Severe COPD
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Salbutamol (Ventolin®)
- DRUG: Tiotropium Bromide (Spiriva®)
- DRUG: Salmeterol / fluticasone (Seretide®)
- DRUG: YCC capsule
- DRUG: BL capsule
Sponsor
Henan University of Traditional Chinese Medicine
Collaborators