TY  - BOOK
AU  - Crandall, Keith A
TI  - The evolution of HIV
SN  - 0801861519
AV  - 616.97 Evo 
PY  - 1999///
CY  - London
PB  - The John Hopkins University Press
KW  - VIRUSES--EVOLUTION
KW  - HIV (VIRUSES)
ER  -