title: Trigger factors of migraine and tension-type headache.
authors.forename: Paola
authors.initials: P
authors.lastname: Sarchielli
mesh_terms: D015984:Causality; D003276:Contraceptives, Oral / Q000009:adverse effects; D004781:Environmental Exposure / Q000009:adverse effects; D006801:Humans; D008881:Migraine Disorders / Q000209:etiology* / Q000503:physiopathology*; D009296:Nasal Cavity / Q000294:innervation / Q000503:physiopathology; D012737:Sex Factors; D018781:Tension-Type Headache / Q000209:etiology* / Q000503:physiopathology*; D014887:Weather
chemical_list: D003276:Contraceptives, Oral