title: Letter by Luermans et al regarding article, "Lack of association between migraine headache and patent foramen ovale: results of a case-control study".
authors.forename: Justin G L M
authors.initials: JG
authors.lastname: Luermans
authors.forename: Martijn C
authors.initials: MC
authors.lastname: Post
authors.forename: Werner I H L
authors.initials: WI
authors.lastname: Budts
mesh_terms: D016022:Case-Control Studies; D054092:Foramen Ovale, Patent / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008881:Migraine Disorders / Q000150:complications* / Q000175:diagnosis