3Stoll C,Alembik Y,Dott B,et al.Associated malformations in patients with anorectal anomalies[J].Eur J Med Genet,2007,50(4):281-290.
4Nievelstein RAJ,Vos A,Valk J,et al.Magnetic resonance imaging in children with anorectal malformations:embryologic implications[J].J Pediatr Surg,2002,37(8):1138-1145.
5Marcelis C,de Blaauw I,Brunner H.Chromosomal anomalies in the etiology of anorectal malformations:a review[J].Am J Med Genet A,2011,155A(11):2692-2698.
6Nievelstein RA,Vos A,Valk J.MR imaging of anorectal malformations and associated ano-malies[J].Eur Radiol,1998,8(4):573-581.
7Veyrac C,Couture A,Saguintaah M,et al.MRI of fetal GI tract abnormalities[J].Abdom imaging,2004,29(4):411-420.
8Endo M,Hayashi A,Ishihara M,et al.Analysis of 1992 patients with anorectal malformations over the past two decades in Japan.Steering Committee of Japanese Study Group of Anorectal Anomalies[J].J Pediatr Surg,1999,34(3):435-441.