Respiratory Disease Cohort Studies of Chinese Medicine for COPD(RESEARCH-COPD)
Conditions
- Chronic Obstructive Pulmoriary Disease (COPD)
- Preserved Ratio Impaired Spirometry (PRISM)
Interventions
- DRUG: traditional Chinese medicine (TCM)
- DRUG: non traditional Chinese medicine (non-TCM)
Sponsor
Henan University of Traditional Chinese Medicine