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ClinicalTrials.gov

Key Record Dates

ClinicalTrials.gov Identifier: NCT03028207
Brief Title: A Cross-sectional Study on COPD Prevalence

First Submitted : November 21, 2016
First Submitted that Met QC Criteria : January 18, 2017
First Posted : January 23, 2017 (Estimate)

Last Update Submitted that Met QC Criteria : April 12, 2019
Last Update Posted : April 16, 2019