The Cohort Study for Chronic Obstructive Pulmonary Disease (COPD) in China
NCT03044847
·
clinicaltrials.gov ↗
ENROLLING_BY_INVITATION
Status
3800
Enrollment
OTHER
Sponsor class
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
OTHER:
COPD group
Sponsor
Beijing Chao Yang Hospital