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ClinicalTrials.gov

Key Record Dates

ClinicalTrials.gov Identifier: NCT01974726
Brief Title: Gas Supply, Demand and Middle Ear Gas Balance -- Diagnosis of Eustachian Tube Dysfunction

First Submitted : October 22, 2013
First Submitted that Met QC Criteria : October 25, 2013
First Posted : November 1, 2013 (Estimate)

Last Update Submitted that Met QC Criteria : October 6, 2020
Last Update Posted : October 8, 2020