TY  - JOUR 
T1  - Treatment switch guided by HIV-1 genotyping in Brazil
JO  - Brazilian Journal of Infectious Diseases
A1  - Tupinambás, Unaí
A1  - Ribeiro, Flávia Andrade
A1  - Aleixo, Agdemir
A1  - Greco, Dirceu
SN  - 1413-8670
UL  - 10.1590/S1413-86702006000200003
VL  - 10 
Y1  - 2006
PB  - Brazil 
ER  -