TY  - JOUR 
T1  - Presentation and Appraisal
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Aufderheide, Arthur C
SN  - 0074-0276
UL  - 10.1590/S0074-02762003000900002
VL  - 98 
Y1  - 2003
PB  - Brasil 
ER  -