TY  - JOUR 
T1  - Case-control study of factors associated with chronic Chagas heart disease in patients over 50 years of age
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Silva, Silvana de Araújo
A1  - Gontijo, Eliane Dias
A1  - Amaral, Carlos Faria Santos
SN  - 0074-0276
UL  - 10.1590/S0074-02762007000700010
VL  - 102 
Y1  - 2007
PB  - Brasil 
ER  -