title: Etiology and treatment of new daily persistent headache.
authors.forename: R W
authors.initials: RW
authors.lastname: Evans
authors.forename: T D
authors.initials: TD
authors.lastname: Rozen
mesh_terms: D000328:Adult; D002940:Circadian Rhythm; D005260:Female; D020773:Headache Disorders / Q000188:drug therapy* / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D009661:Nortriptyline / Q000627:therapeutic use*; D010612:Pharyngitis / Q000150:complications
chemical_list: D009661:Nortriptyline