title: "The mystery of figure 2"--a case for ovulatory migraine?
authors: Anne H
authors: AH
authors: Calhoun
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008881:Migraine Disorders / Q000139:chemically induced* / Q000503:physiopathology
chemical_list: D003278:Contraceptives, Oral, Hormonal