TY  - RPRT
TI  - HIV-1 sequence variation: drift, shift, and attenuation.
AU  - M H Malim
AU  - M Emerman
PY  - 2001
DO  - 10.1016/s0092-8674(01)00234-3
UR  - https://pubmed.ncbi.nlm.nih.gov/11239404/
ID  - 11239404
ER  -