TY  - JOUR 
T1  - Surface electrical charge of bloodstream trypomastigotes of Trypanosoma cruzi strains
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Sousa, Maria Auxiliadora de
SN  - 0074-0276
UL  - 10.1590/S0074-02761983000400014
VL  - 78 
Y1  - 1983
PB  - Brazil 
ER  -