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Key Record Dates Identifier: NCT04007874
Brief Title: Oral Contraceptive Pill Compared With Vitamin E in Women With Migraine (WHATT)

First Submitted : June 28, 2019
First Submitted that Met QC Criteria : July 2, 2019
First Posted : July 5, 2019

Last Update Submitted that Met QC Criteria : April 6, 2022
Last Update Posted : April 7, 2022