TY  - JOUR 
T1  - Schistosoma mansoni antigenic extracts obtained by different extraction procedures
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Tendler, Miriam
A1  - Scapin, Mauro
SN  - 0074-0276
UL  - 10.1590/S0074-02761981000200001
VL  - 76 
Y1  - 1981
PB  - Brasil 
ER  -