1. Bash SE, Huhta JC, Vick HW et al. (1986) Hypoplastic left heart syndrome: Is echocardiolography accurate enough to guide surgical palliation. J Am Coll Cardiol 7: 610
2. Cyran SE, Kimball TR, Meyer RA et al. (1989) Efficacy of intraoperative transesophageal echocardiography in children with congenital heart disease. Am J Cardiol 63: 594
3. D’Orsogna L, Sandor GGS, Patterson MWH et al. (1989) Influence of echocardiography in preoperative cardiac catheterization in congenital heart disease. Int J of Cardiol 24: 19
4. Fellows KE (1990) Cineangiography in: Prospectives in Pediatric Cardiology Vol. 2, Grupi G, Parenzan L, Anderson RH (ed) Pediatric Cardiac Surgery pp 62, Futura Publ Co Inc Mount Kosco NY
5. Freed MD, Nadas AS, Norwood WI, Castaneda AR (1984) Is routine preoperative cardiac catheterization necessary before repair of secundum and sinus atrial septal efects: J Am Coll cardiol 4: 333