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Key Record Dates Identifier: NCT00576069
Brief Title: Mechanism(s)of Airflow Limitation in Moderate-severe Persistent Asthma

First Submitted : December 17, 2007
First Submitted that Met QC Criteria : December 17, 2007
First Posted : December 18, 2007 (Estimate)

Last Update Submitted that Met QC Criteria : August 18, 2019
Last Update Posted : August 20, 2019