1Porstmann W, Wierny L, Warnke H, etal. Catheter closure of patent ductus arteriosus, 62 cases without thoractomy. Radiol ClinAm, 1971,9:203
2Kan JS, White RL, Mitchell SE, et al. Percutaneous balloon valvuloplasty: a newmethod for treating congenital pulmonary valve stenosis. N Engl J Med, 1982,307:540
3Lababdi Z, Wu JR. Percutaneous balloon pulmonary valvuloplasty. Am J Cardiol 1983, 52:560 ~ 562
4Lloyd TR, Rao PS, Beekman RH, et al. Atrial septal defect occlusion with the buttoned device (A multi-institution US trial). Am J Cardiol 1994, 73:286~ 291
5Upasani PT, Lal P, Pandey AK, et al. Interventional therapy for multiple cardiac defects. Indian Heart J 2002, 54:306 ~ 308
6Kalra GS, Verma PK, Dhall A, et al. Transcatheter device closure of ventricular septal defects: immediate results and intermediate-term follow-up. Am Heart J 1999, 138:339 ~344
7Thanopoulos BD, Karanassios E, Tsaousis G, et al.Catheter closure of congenital/acquired muscular VSDs and perimembranous VSDs using the Amplatzer devices. J lnterv Cardio1 2003, 16:399 ~ 407