Camargo GC, Anzanello MX, Silva RM, Gomide M, Belem L, Simões LC. X-shaped secundum atrial septal defect seen by 3-dimensional echocardiography. J Am Coll Cardiol. 2014 Feb 25;63(7):693. Epub 2013 Dec 11. PMID: 24316085.
Camargo GC, Anzanello MX, Silva RM, Gomide M, Belem L, Simões LC. X-shaped secundum atrial septal defect seen by 3-dimensional echocardiography. J Am Coll Cardiol. 2014 Feb 25;63(7):693. Epub 2013 Dec 11. PMID: 24316085.