title: Migraine associated with head trauma: revision of International Headache Society's criteria for posttraumatic headache? A reply to D.C. Haas; AUTHORS RESPONSE.
authors.affiliation: Department of Neurology, Glostrup Hospital, 2600 Glostrup, Denmark.
authors.forename: M B
authors.initials: MB
authors.lastname: Russell
authors.forename: J
authors.initials: J
authors.lastname: Olesen