Primary malignant epithelial tumors of the liver in children: a study of DNA content and oncogene expression - Zerbini, Maria Cláudia Nogueira; Sredni, S. T; Grier, H; Cristofani, L. M; Latorre, Maria do Rosário Dias de Oliveira; Hollister, K. A; Alves, Venâncio Avancini Ferreira; Weinberg, D. S; Atayde, A. R. Perez (Pediatric and Developmental Pathology, 1998)