2Hoffman JE.Incidence of congenital heart disease:I Postnatal incidence.Pediatric Cardiol,1995,16:103-113.
3Robinson JN,Simpson L,Abuhamad AZ.Screening for fetal heart disease with ultrasound.Clinical Obstetrics and Gyneclolgy,2003,46:890-896.
4Sharland CK,Allan LD.Screening for congenital heart disease parentally.results of a 21/2-year study in the South East Thames Region.Br J Obstet Gynecol,1992,99:220-225.
5Wigton TR,Sabbagha RE,Tamura RK,et al.Sonographic diagnosis of congenital heart disease:comparision between the fourchamber view and multiple cardiac views.Obstet Gynecol,1993,82:219-224.
6Buskens E,Grobbee DE,Frohn Mulder JM,et-al.Efficiency of routine fetal ultrasound screening for congential heart disease in normal regnancy.Circulation,1996,94:67-72.
7Achiron R,Glaser J,Gelertner I,et al.Extended fetal echocardiographic examination for detecting cardiac malformation in low risk pregnancies,BMJ,1992,304:671-674.
8Perri T,Cohen Sacher B,Hod M,et al.Risk factors for cardiac malformations detected by fetal echocardiography in a tertiary center.J Matern Fetal Neonatal Med,2005,17(2):123-128.
9Allan L.Technique of fetal echocardiography.Pediatr Cardiol,2004,25:223-233.
10Tegnander E,Williams W,Joltansen OJ,et al.Prenatal detection of heart defects in a non-selected population of 30149 fetuses detection rates and outcome.Ultrasound Obstet Gynecol,2006,27(3):252-265.
