Cheaper antiretrovirals to treat AIDS in South Africa. They are at their most cost effective in preventing mother to child transmission.

@article{Zwi2000CheaperAT,
  title={Cheaper antiretrovirals to treat AIDS in South Africa. They are at their most cost effective in preventing mother to child transmission.},
  author={Karen Zwi and Neil S{\"o}derlund and Helen Schneider},
  journal={BMJ},
  year={2000},
  volume={320 7249},
  pages={1551-2}
}