2Ryozo Hashimoto,M. Nagaya,Y. Ishiguro,M. Inouye,H. Aoyama,S. Futaki,Y. Murata.Relationship of the fistulas to the rectum and genitourinary tract in mouse fetuses with high anorectal malformations induced by all-trans retinoic acid[J]. Pediatric Surgery International . 2002 (8)
3Joshi M,Yadav S.Lumbosacral agenesis. Ind J Radiol Imaging . 2005
4Twining P,McHugo J,Pilling D.Textbook of fetal abnormalities. . 2000
5Gabbe SG,Niebyl JR,Simpson JL.Obstetrics:normal and problem pregnancies. . 2002
6Twickler D,Budorick N,Pretorius D,et al.Caudal regression versus sirenomelia:sonographic clues. Journal of Ultrasound in Medicine . 1993
7Duesterhoeft SM,Ernst LM,Siebert JR,et al.Five cases of caudal regression with an aberrant abdominal umbilical artery:further support for a caudal regression-sirenomelia spectrum. American Journal of Medical Genetics . 2007
8L Baxi,W Warren,MH Collins,IE Timor-Tritsch.Early detection of caudal regression syndrome with transvaginal scanning. Obstetrics and Gynecology . 1990
9Gonzalez-Quintero. Journal of Ultrasound in Medicine . 2002
10Duhamel,B.From the mermaid to anal imperforation: the syndrome of caudal regression. Archives of Disease in Childhood . 1964