title: Migraine and other primary headaches. Preface.
authors.forename: Randolph W
authors.initials: RW
authors.lastname: Evans
mesh_terms: D051270:Headache Disorders, Primary / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D008881:Migraine Disorders / Q000503:physiopathology / Q000628:therapy; D018781:Tension-Type Headache / Q000503:physiopathology / Q000628:therapy