TY  - JOUR 
T1  - Petrosal approach: anatomical study and report of ten surgical cases of petroclival meningiomas
JO  - Arquivos de Neuro-Psiquiatria
A1  - Silveira, Roberto Leal
SN  - 0004-282X
UL  - 10.1590/S0004-282X1995000500026
VL  - 53 
Y1  - 1995
PB  - Brasil 
ER  -