@misc{indiciae453219700a11,
  title = {Syphilis.},
  author = {D Charles},
  year = {1983},
  doi = {10.1097/00003081-198303000-00017},
  url = {https://pubmed.ncbi.nlm.nih.gov/6340889/},
  note = {Source identifier: 6340889}
}