Simultaneous occurrence of advanced neuroblastoma and acute myeloid leukemia - Machado, Telma Murias dos Santos; Zerbini, Maria Claudia Nogueira; Cristófani, Lilian Maria; Azevedo, Paula Maria; Almeida, Maria Teresa Assis; Maluf Júnior, Paulo Taufi; Odone Filho, Vicente (Pediatric Hematology and Oncology, 2001)