TY  - RPRT
TI  - Human immunodeficiency viruses in the developing world.
AU  - M Essex
PY  - 1999
DO  - 10.1016/s0065-3527(08)60343-7
UR  - https://pubmed.ncbi.nlm.nih.gov/10582095/
ID  - 10582095
ER  -