1Sideris EB, Walsh KP. Haddad JL, et al. Occlusion of congenital ventricular septal defects by the buttoned device ''Buttoned device '' Clinical Trials International Register. Heart, 1997,77:276-279.
2Kalra GS, Verma PK, Dhall A, et al. Transcather device closure of ventricular septal defects: immediate results and intermediate-term follow-up.Am Heart J,1999,138(2 Pt 1):339-344.
3Basil D, George S, Georgia N, et al. Transcather closure muscular ventricular septal defects with the amplatzer ventricular septal defects occluder: initial clinical application in children.JACC, 1999,33:1395-1399.
4Tofeig M, Patel RG, Walsh KP. Transcather closure of a mid-muscular ventricular septal defect with an amplatzer VSD occluder device. Heart, 1999,81:438-440.
5Hijazi ZM, Hakin F, Haweleh AA, et al. Catheter closure of perimembrane ventricular septal defects using the new Amplatzer membranous VSD occluder: Initial clinical experience [J],Catheter Cardiovasc Interv,2002,56:508-515.
1Lock JE, Block PC, Mckay RG , et al. Transcatheter closure of ventricular septal defects. Cixculation, 1988,78:361-368.
2Bridges Nancy D, Perry Stanton B, Keane John F, et al.Preoperative tnmscatheter closure of congenital muscular ventricular septal defects. N Eng Med. 1991.324:1312-1317.
3Kalra Gureharan S, Verma Puneet K, Khall Anil, et al.Transcatheter device closure of ventricular septal defects:immediate results and intermediate-term follow-up. Am Heart J, 1999, 138:339-444.
4Amin Zalid, Gu Xiaoping, Berry James M, et al. New device for closure of muscular ventricular septal defects in a canine model.Circulation, 1999,100:320-328.
5Leung MP, Mak CK, Lo RNS, et al. An echocardingraphic study perimembranous ventricular septal defect with left ventricular to right atrial shunting. Br Heart J, 1986,55:45-52.