Adiele, Daberechi K Atrial septal defects: Pattern, clinical profile, surgical techniques and outcome at Innova heart hospital: A 4-year review. [electronic resource] - Nigerian medical journal : journal of the Nigeria Medical Association Mar 2014 - 126-9 p. digital Publication Type: Journal Article ISSN: 0300-1652 Standard No.: 10.4103/0300-1652.129642 doi