2016 participants
A Non-interventional Study to Investigate the Current Situation of Asthma-COPD Overlap Syndrome in Patients Over Age 40 With Persistent Airflow Limitation in China
- Study Type:
- OBSERVATIONAL
- Last Updated:
- 2017-10-17
- Start Date:
- 2015-10-22
- Completion:
- 2016-10-24
Conditions
- Asthma-COPD Overlap Syndrome
No Results Yet