TY  - JOUR 
T1  - Genetic alterations in head and neck squamous cell carcinomas
JO  - Brazilian Journal of Medical and Biological Research
A1  - Nagai, M.A.
SN  - 0100-879X
UL  - 10.1590/S0100-879X1999000700015
VL  - 32 
Y1  - 1999
PB  - Brasil 
ER  -