title: Migraine and tension-type headaches: in response to comment by Dr. Campbell.
authors.forename: D A
authors.initials: DA
authors.lastname: Marcus
mesh_terms: D001341:Autonomic Nervous System / Q000502:physiology; D002560:Cerebrovascular Circulation / Q000502:physiology; D006261:Headache / Q000503:physiopathology*; D006801:Humans; D008881:Migraine Disorders / Q000503:physiopathology*; D012701:Serotonin / Q000502:physiology
chemical_list: D012701:Serotonin