title: Diagnosis of right-to-left shunt: possible alternative approaches.
authors.forename: Bijan
authors.initials: B
authors.lastname: Vatankhah
authors.forename: Birte
authors.initials: B
authors.lastname: Mesche
authors.forename: Rüdiger
authors.initials: R
authors.lastname: Körber
authors.forename: Henning
authors.initials: H
authors.lastname: Stolze
mesh_terms: D017536:Carotid Artery, Common / Q000000981:diagnostic imaging*; D054092:Foramen Ovale, Patent / Q000000981:diagnostic imaging*; D006801:Humans; D017585:Ultrasonography, Doppler, Transcranial / Q000379:methods*; D014715:Vertebrobasilar Insufficiency / Q000000981:diagnostic imaging*