title: Searching for patent foramen ovale in patients with stroke.
authors.forename: R D
authors.initials: RD
authors.lastname: Layne
mesh_terms: D002545:Brain Ischemia / Q000209:etiology*; D003362:Cost-Benefit Analysis; D004452:Echocardiography / Q000191:economics; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis*; D006801:Humans