%0 Journal Article %T Echocardiographic diagnosis of atrioventricular septal defect without primum atrial septal defect: a relatively “common” congenital heart defect in Down’s syndrome %A Ali, S. %J The Anatolian Journal of Cardiology %D 2011 %V 11 %P 183-185 %R 10.5152/akd.2011.044