NCT01989182
- Conditions
- Chronic Disease, Disease Attributes, Emphysema, +8 more
- Locations
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- Guangdong General Hospital Guangzhou, Guangdong, China
- The First Affiliated Hospital of Guangzhou Medical University Guangzhou, Guangdong, China
- The Second Xiangya Hospital of Central South University Changsha, Hunan, China
- Xiangya Hospital of Central South University Changsha, Hunan, China