title: Letter by Bhindi and Ormerod regarding article, "Lack of association between migraine headache and patent foramen ovale: results of a case-control study".
authors.forename: Ravinay
authors.initials: R
authors.lastname: Bhindi
authors.forename: Oliver J
authors.initials: OJ
authors.lastname: Ormerod
mesh_terms: D001241:Aspirin / Q000627:therapeutic use; D016022:Case-Control Studies; D054092:Foramen Ovale, Patent / Q000150:complications* / Q000188:drug therapy / Q000208:ethnology; D006801:Humans; D008881:Migraine Disorders / Q000150:complications* / Q000188:drug therapy / Q000208:ethnology
chemical_list: D001241:Aspirin