TY  - JOUR 
T1  - Ivermectin resistant and susceptible third-stage larvae of Haemonchus contortus: cholinesterase and phosphatase activities
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Giménez-Pardo, Consuelo
A1  - Martínez-Grueiro, Maria Mercedes
A1  - Gómez-Barrio, Alicia
A1  - Rodríguez-Caabeiro, Filomena
SN  - 0074-0276
UL  - 10.1590/S0074-02762004000200019
VL  - 99 
Y1  - 2004
PB  - Brasil 
ER  -