@misc{indiciae86cc82b4d39f,
  title = {Indurated purple-red plaque.},
  author = {J S Francis and D R Benjamin},
  doi = {10.1111/j.1525-1470.1997.tb00429.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9050767/},
  note = {Source identifier: 9050767}
}