TY  - JOUR 
T1  - Trypanosoma cruzi: genetic structure of populations and relevance of genetic variability to the pathogenesis of chagas disease
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Macedo, Andréa M
A1  - Machado, Carlos R
A1  - Oliveira, Riva P
A1  - Pena, Sérgio DJ
SN  - 0074-0276
UL  - 10.1590/S0074-02762004000100001
VL  - 99 
Y1  - 2004
PB  - Brasil 
ER  -