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Key Record Dates Identifier: NCT03309995
Brief Title: The Effect of Zinc Acetate Lozenges on the Rate of Recovery From the Common Cold (HelZinki)

First Submitted : October 10, 2017
First Submitted that Met QC Criteria : October 13, 2017
First Posted : October 16, 2017

Last Update Submitted that Met QC Criteria : January 30, 2020
Last Update Posted : February 5, 2020