1Morimoto K, Matsuzaki M, Tohma Y, et al. Diagnosis and quantitative evaluation of secundum type atrial septal defect by transesophageal Doppler echocardiography. Am J Cardiol, 1990,66: 85-91.
2Mazic U, Gavora P, Masura J. The role of transesophageal echocardiography in transcatheter closure of secundum atrial septal defects by the Amplatzer septal occluder. Am Heart J, 2001,142 (3):482-488.
3Latiff HA, Samion H, Kandhavel G, et al. The value of transesophageal echocardiography in transcatheter closure of atrial septal defects in the oval fossa using the Amplatzer septal occluder. Cardiol Young , 2001,11: 201-204.
4King TD, Thompson SL, Mills NL. Measurement of atrial septal defect during cardiac catheterization. Experimental and clinical results. Am J Cardiol, 1978, 41: 537-542.
5Fischer G, Kramer HH, Stieh J, et al. Transcatheter closure of secundum atrial septal defects with the new self-centering Amplatzer septal occluder. Eur Heart J, 1999, 20: 541-549.
6Jan SL, Hwang B, Lee PC, et al. Intracardiac ultrasound assessment of atrial septal defect: comparison with transthoracic echocardiographic,angiocardiographic and balloon-sizing measurements. Cardiovasc Intervent Radiol , 2001, 24: 84-89.
