A Multicenter, Prospective Cohort Study of Preserved Ratio Impaired Spirometry(PRISm) in a Population

Conditions: COPD Interventions: Other Sponsors: Peking University First Hospital; Shanxi Bethune Hospital; First Affiliated Hospital Xi ' an Jiaotong University; Tianjin Medical University General Hospital; The First Hospital of Qinhuangdao; Shandong Provincial Hospital; Second Hospital of Jilin University; People ' s Hospital of Xinjiang Uygur Autonomous Region; MinDong Hospital of Ningde City Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials