TY  - JOUR 
T1  - Proceedings of the round-table on parasite antigens and molecular biology
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Nussenzweig, Ruth S.
SN  - 0074-0276
UL  - 10.1590/S0074-02761986000600009
VL  - 81 
Y1  - 1986
PB  - Brasil 
ER  -