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Key Record Dates

ClinicalTrials.gov Identifier: NCT00318825
Brief Title: Nitrous Oxide for Analgesia During Colonoscopy

First Submitted : April 25, 2006
First Submitted that Met QC Criteria : April 25, 2006
First Posted : April 27, 2006 (Estimate)

Last Update Submitted that Met QC Criteria : November 30, 2010
Last Update Posted : December 1, 2010 (Estimate)