@misc{indiciae602fb537053c,
  title = {AIDS: methodological problems in studying its prevention and spread.},
  author = {E M Ankrah},
  year = {1989},
  doi = {10.1016/0277-9536(89)90275-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2762857/},
  note = {Source identifier: 2762857}
}