TY  - JOUR 
T1  - Endoscopic surgery in the treatment of crista galli pneumatization evolving with localizated frontal headaches
JO  - International Archives of Otorhinolaryngology
A1  - Socher, Jan Alessandro
A1  - Santos, Pedro Geisel
A1  - Correa, Vinicius Cidral
A1  - Silva, Leandro Caetano de Barros e
SN  - 1809-4864
UL  - 10.7162/S1809-97772013000300003
VL  - 17 
Y1  - 2013
PB  - Brasil 
ER  -