Sonek JD, Gabbe SG, Landon MB, Stempel LE, Foley MR, Shubert-Moell K (março de 1990). «Antenatal diagnosis of sacral agenesis syndrome in a pregnancy complicated by diabetes mellitus». Am. J. Obstet. Gynecol. 162 (3): 806–8. PMID2180307. doi:10.1016/0002-9378(90)91015-5
Zaw, Win; Stone, David G. (março de 2002). «Caudal Regression Syndrome in Twin Pregnancy With Type II Diabetes». Journal of Perinatology. 22 (2): 171–174. PMID11896527. doi:10.1038/sj.jp.7210614
Sonek JD, Gabbe SG, Landon MB, Stempel LE, Foley MR, Shubert-Moell K (março de 1990). «Antenatal diagnosis of sacral agenesis syndrome in a pregnancy complicated by diabetes mellitus». Am. J. Obstet. Gynecol. 162 (3): 806–8. PMID2180307. doi:10.1016/0002-9378(90)91015-5
Zaw, Win; Stone, David G. (março de 2002). «Caudal Regression Syndrome in Twin Pregnancy With Type II Diabetes». Journal of Perinatology. 22 (2): 171–174. PMID11896527. doi:10.1038/sj.jp.7210614