3Oberhansli I,Extermann P,Jaggi E,et al.Fetal echocardiography in pregnancies of women with congenital heart disease-clinical utility and limitations.Thorac Cardio vasc Surg,2000,48:321 ~ 327.
4Weiner Z,Lorber A,Shalev E.Diagnosis of congenital cardiac defects between 11 and 14 weeks' gestation in high-risk patients,Ultrasound Med,2002,21(1):23~29.
5Comas Gabriel C,Galindo A,Martinez IM,et al.Early prenatal diagnosis of major cardiac anomalies in a high-risk population.Prenat Diagn,2002,22(7):586 ~ 593.
6Tometzki AJ,Suda K,Kohl T,et al.Accuracy of prenatal echocardiographic diagnosis and prognosis of fetuses with conotruncal anomalies.J Am Coll Cardiol,1999,33:1 696 ~ 1 701.
7Allan L.Antenatal diagnosis of heart disease.Heart,2000,83(3):367 ~370.