title: A persistent migraine aura.
authors.forename: R W
authors.initials: RW
authors.lastname: Evans
authors.forename: C L
authors.initials: CL
authors.lastname: Lay
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral; D000075202:Contraindications; D004305:Dose-Response Relationship, Drug; D004967:Estrogens / Q000008:administration & dosage; D005260:Female; D006801:Humans; D020325:Migraine with Aura / Q000503:physiopathology*
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens