00313nam a22000977a 4500082001700000100001900017245014300036250001200179260000900191654001500200  a616.12 bYAG  aYagel, Simcha   aFetal cardiology : embryology, genetics, physiology, echocardiographic evaluation, diagnosis and perinatal management of cardiac diseases   a2nd ed.  c2009  aCardiology