title: Headache: advances in understanding and treatment.
authors.affiliation: Baylor University Medical Center, Comprehensive Headache Center and Baylor Research Institute, Dallas, TX 75201, USA. frederick.freitag@baylorhealth.edu
authors.forename: Frederick G
authors.initials: FG
authors.lastname: Freitag
mesh_terms: D020773:Headache Disorders / Q000188:drug therapy* / Q000209:etiology; D006801:Humans