4Pawelec Wojtalik M, Wojtalik M, Mrowczynski W, et al. Comparison of cardiac function in children after surgical and Amplatzer occluder closure of secundum atrial septal defects[J]. Eur J Cardiothorac Surg, 2006, 29 (1) :89-92.
5Bol Raap G, Meijboom FJ, Kappetein AP, et al. Long-term follow-up and quality of life after closure of ventricular septal defect in adults[J]. Eur J Cardiothorac Surg,2007, 32(2):215-219.
6Butera G, Carminati M, Chessa M, et al. Percutaneous versus surgical closure of secundum atrial septal defect: comparison ofearly results and complications[J]. Am Heart J, 2006, 151(1) :228-234.
7Formigari R, Di Donato RM, Mazzera E, et al. Mini mally invasive or interventional repair of atrial septal defects in children: experience in 171 cases and comparison with conventional strategies[J]. J Am Coll Cardiol, 2001, 37(6):1707-1712.
8Rao ps. Catheter closure of atrial septal defects[J]. Invasive cardio,2003, 15(7): 393.