title: Contrast ultrasound techniques in the detection and quantification of patent foramen ovale: myth versus reality--a clarification.
authors.forename: Andrew T
authors.initials: AT
authors.lastname: Lovering
authors.forename: Michael K
authors.initials: MK
authors.lastname: Stickland
authors.forename: Marlowe W
authors.initials: MW
authors.lastname: Eldridge
mesh_terms: D006328:Cardiac Catheterization; D017548:Echocardiography, Transesophageal; D015444:Exercise; D018610:Heart Bypass, Right; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D019736:Prostheses and Implants; D017585:Ultrasonography, Doppler, Transcranial