1Harris J,Kallen B,Robert E.Descriptive epidemiology of alimentary tract atresia.Teratology,2006,52(1):15-29.
2Mori M,Matsubara K,Abe E,et al.Prenatal diagnosis of cloaca associated with VATER (vertebral defects,anal atresia,tracheo-esophageal fistula,and renal dysplasia).Tohoku J Exp Med,2007,213(4):291-295.
3Hara K,Kikuchi A,Miyachi K,et al.Clinical features of polyhydramnios associated with fetal anomalies.Congenit Anom (Kyoto),2006,46(4):177-179.
4Shulman A,Mazkereth R,Zalel Y,et al.Prenatal identification of esophageal atresia:the role of ultrasonography for evaluation of functional anatomy.Prenat Diagn,2002,22(8):669-674.
5Houben CH,Curry JI.Current status of prenatal diagnosis,operative management and outcome of esophageal atresia/tracheo-esophageal fistula.Prenat Diagn,2008,28(7):667-675.
7Sparey C,Jawaheer G,Barrett AM,et al.Esophageal atresia in the northern region congenital anomaly survey,1985-1997:prenatal diagnosis and outcome.Am J Obstet Gynecol,2000,182(2):427-431.
9Callen PW.Ultrasonography in obstetrics and gynecology.5th ed.Philadelphia:WB Saunders,2008:589-591.
10Malinger G,Levine A,Rotmensch S.The fetal esophagus:anatomical and physiological ultrasonographic characterization using a high-resolution linear transducer.Ultrasound Obstet Gynecol,2004,24(5):500-505.