1. , , , . Congenital cervical rhabdomyosarcoma arising in one fetus of a twin pregnancy. Fetal Diagn Ther 2005;20:291–295.
2. , , , et al. The ex utero intrapartum treatment procedure for a large fetal neck mass in a twin gestation. Obstet Gynecol 1999;93,:824–825.
3. , , , et al. The ex utero intrapartum treatment (EXIT) procedure in fetal neck masses: a case report and review of the literature. Eur J Obstet Gynecol Reprod Biol 2002;100:246–250.