@misc{indiciaee59ffded1384,
  title = {[Early malignant syphilis].},
  author = {L N Kovaleva and O I Penin and G A Grishko},
  year = {1985},
  url = {https://pubmed.ncbi.nlm.nih.gov/4002856/},
  note = {Source identifier: 4002856}
}