Continuous combined oral contraceptive use versus vitamin E in the treatment of menstrual migraine: rationale and protocol of a randomized controlled trial (WHAT!).
Britt W H van der ArendDaphne S van CasterenIris E VerhagenAntoinette MaassenVanDenBrinkGisela M TerwindtPublished in: Trials (2024)
Clinical trials.gov NCT04007874 . Registered 28 June 2019.