Key Record Dates
ClinicalTrials.gov Identifier: | NCT00000129 |
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Brief Title: | Prospective Evaluation of Radial Keratotomy (PERK) Study |
First Submitted : | September 23, 1999 |
First Submitted that Met QC Criteria : | September 23, 1999 |
First Posted : | September 24, 1999 (Estimate) |
Last Update Submitted that Met QC Criteria : | September 16, 2009 |
Last Update Posted : | September 17, 2009 (Estimate) |