title: The vestibular defect: an interatrial communication due to a deficiency in the atrial septal component derived from the vestibular spine.
authors.affiliation: Department of Pediatrics and Cardiology, Isaac Walton Killam Health Centre, and Dalhousie University, Halifax, Nova Scotia, Canada.
authors.forename: Geoffrey P
authors.initials: GP
authors.lastname: Sharratt
authors.forename: Sandra
authors.initials: S
authors.lastname: Webb
authors.forename: Robert H
authors.initials: RH
authors.lastname: Anderson
mesh_terms: D001344:Autopsy; D004200:Diseases in Twins; D005260:Female; D006325:Heart Atria / Q000196:embryology*; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging / Q000196:embryology*; D006801:Humans; D007231:Infant, Newborn; D014463:Ultrasonography