1. Echocardiography in truncus arteriosus: the value of pulmonary valve detection;Chung;Circulation,1973
2. Prospective diagnosis of transposition of the great arteries by subxyphoid two-dimensional echocardiography in neonates;Bierman;Circulation,1978
3. Prospective diagnosis of transposition of the great arteries by subxyphoid two-dimensional echocardiography in neonates;Bierman;Circulation,1978
4. Pediatrc and Adolescent Echocardiography;Goldberg,1980
5. Wide-angle two-dimensional echocardiographic profiles of conotruncal abnormalities;Hagler,1980