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ClinicalTrials.gov

Key Record Dates

ClinicalTrials.gov Identifier: NCT04296643
Brief Title: Medical Masks vs N95 Respirators for COVID-19

First Submitted : March 3, 2020
First Submitted that Met QC Criteria : March 3, 2020
First Posted : March 5, 2020

Last Update Submitted that Met QC Criteria : February 9, 2021
Last Update Posted : February 12, 2021