1. Perinatal outcome of forty-nine pregnancies complicated by acardiac twinning;Moore;Am J Obstet Gynecol,1990
2. Twin-Twin transfusion syndrome: sonographic findings;Brown;Radiology,1989
3. Síndrome de transfusión feto-fetal;Montalvo;Relan,1999
4. Les jumeaux acardiaques;Pinet;J Gynecol Obstet Biol Reprod,1994
5. Prenatal sonographic diagnosis, doppler velocimetric umbilical cord studies, and subsequent management of an acardiac twin pregnancy;Sherer;Obstet Gynecol,1989