2Arora R,Trehan V,Kumar A,et al.Transcatheter closure of congenital ventricular septal defects:experience with various devices[J].J Interv Cardiol,2003,16(1):83-91.
3Pedra CA,Pedra SR,Esteves CA,et al.Percutaneous closure of perimembranous ventricular septal defects with the Amplatzer device:technical and morphological considerations[J].Catheter Cardiovasc Interv,2004,61(3):403-410.
4Kalra GS,Verma PK,Dhall A,et al.Transcatheter device closure of ventricular septal defects:Immediate results and intermediate-term follow-up[J].Am Heart J,1999,138(2):339-344.
5Marshalland AC,Lang P.Closing ventricular septal defects in the cardiac catheterization laboratory[J].Heart Dis,2002,4(1):51-53.