[Balloon atrial septostomy by 2-dimensional echocardiography].
A Serra Júnior, F Chamié, H Paupério, F Sbaffi, J M Lopes, M De Carvalho, J O Cabral
No abstract text available.
Catheterization
Echocardiography
Heart Defects, Congenital
Heart Septum
Humans
Infant, Newborn
Transposition of Great Vessels
