title: Contrast ultrasound techniques in the detection and quantification of patent foramen ovale: myth versus reality.
authors.forename: Herwig W
authors.initials: HW
authors.lastname: Schuchlenz
mesh_terms: D006328:Cardiac Catheterization; D017548:Echocardiography, Transesophageal; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D019736:Prostheses and Implants; D017585:Ultrasonography, Doppler, Transcranial