title: Are the current IHS guidelines for migraine drug trials being followed?
authors.affiliation: Department of Neurology, Danish Headache Centre, Glostrup Hospital, University of Copenhagen, 2600, Glostrup, Denmark.
authors.forename: Anders
authors.initials: A
authors.lastname: Hougaard
authors.forename: Peer
authors.initials: P
authors.lastname: Tfelt-Hansen