Extrahepatic portal vein thrombosis after umbilical catheterization: is it a good choice for rex shunt? - Gibelli, Nelson Elias Mendes; Tannuri, Ana Cristina Aoun; Apezzato, Maria Lúcia Pinho; Maksoud Filho, João Gilberto; Tannuri, Uenis (Journal of pediatric surgery, 2011)