TY - JOUR TI - Echocardiographic diagnosis of atrioventricular septal defect without primum atrial septal defect: a relatively “common” congenital heart defect in Down’s syndrome AU - Ali, S. JO - The Anatolian Journal of Cardiology PY - 2011 VL - 11 SP - 183 EP - 185 DO - 10.5152/akd.2011.044 ER -