@misc{indiciaeff28c37c2996,
  title = {Cardiovascular syphilis.},
  author = {J D Jackman and J D Radolf},
  year = {1989},
  doi = {10.1016/s0002-9343(89)80826-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/2679075/},
  note = {Source identifier: 2679075}
}