2Ghezzi F, Raio L, Di Naro, et al.Single and multiple umbilical cord cysts in early gestation:two different entities[J]. Ultrasound Obstet Gynecol, 2003, 21 (3) : 213.
4Sepulveda W, Wong AE, Gonzalez R,et al.Fetal death due to um- bilical cord hemato ma : A rare co mplieation of umbilical cord cyst [J]. J Matern Fetal Neonatal Med, 2005,18(6) : 387.
2Emura T,Kanamori Y,Ito M,et al.Omphalocele associated with a large multilobular umbilical cord pseudocyst[J].Pediatr Surg Int.,2004,20(8):636-639.
3Ghezzi F,Raio L,Di Naro E,et al.Single and mutiple umbilical cord cysts in early gestation:two different entities [J].Ultrasound Obstet Gynecol,2003,21 (3):215-219.