TY - JOUR T1 - Immunohistochemical study of the molecular alteration in the astrocytic tumors: tumorigenic pathways and resistance markers JO - Arquivos de Neuro-Psiquiatria A1 - Faria, Mário Henrique Girão SN - 0004-282X UL - 10.1590/S0004-282X2005000500041 VL - 63 Y1 - 2005 PB - Brasil ER -