@misc{indiciaecaa7249dc2ca,
  title = {Retraction: human papillomavirus subtype 16b.},
  author = {J Tidy and P J Farrell},
  doi = {10.1016/s0140-6736(89)92987-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/2574815/},
  note = {Source identifier: 2574815}
}