title: Relationship between migraine and patent foramen ovale.
authors.forename: Vijay K
authors.initials: VK
authors.lastname: Sharma
authors.forename: Hock L
authors.initials: HL
authors.lastname: Teoh
authors.forename: Bernard P L
authors.initials: BP
authors.lastname: Chan
mesh_terms: D017548:Echocardiography, Transesophageal; D054092:Foramen Ovale, Patent / Q000150:complications* / Q000175:diagnosis*; D006801:Humans; D008881:Migraine Disorders / Q000209:etiology*; D017585:Ultrasonography, Doppler, Transcranial