@misc{indiciae557dd2ffdb0b,
  title = {HIV vaccines: problems and prospects.},
  author = {M I Johnston},
  year = {1997},
  doi = {10.1080/21548331.1997.11443486},
  url = {https://pubmed.ncbi.nlm.nih.gov/9153142/},
  note = {Source identifier: 9153142}
}