Novel variants of the ATRX gene identified in MYCN non-amplified Neuroblastoma in Brazilian patients Thamiris Magalhães Gimenez; Vanessa Pretes Peralta; Ricardo Rodrigues Giorgi; Karina Morikawa; Carolina Camargo Vince; Nathalia Halley; Sheila Aparecida Siqueira; Israel Bendit; Lilian Maria Cristofani; Vicente Odone Filho; Estela Maria Novak;

Portal hypertension and bleeding esophageal varices caused by portal vein thrombosis in children: experience of a single center with emphasis on treatments and results Ana Cristina Aoun Tannuri; Amanda Anacleto dos Santos Barsuttini; Nelson Elias Mendes Gibelli; Giovanna Pedreira; Maria Luiza Villela Corullon; Pedro Zanetta Brenner; Manoel Ernesto Peçanha Gonçalves; Silvia Regina Cardoso; Diamari Caramelo Ricci Cereda; Uenis Tannuri;

A new systematization of histological analysis for the diagnosis of Hirschsprung's disease Suellen Serafini; Maria Mercês Santos; Ana Cristina Aoun Tannuri; Celso Di Loreto; Josiane de Oliveira Gonçalves; Uenis Tannuri;