TY  - JOUR 
T1  - Antigen processing and presentation an overview
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Buus, Soren
SN  - 0074-0276
UL  - 10.1590/S0074-02761992000900004
VL  - 87 
Y1  - 1992
PB  - Brazil 
ER  -