@misc{indiciae68ce3c256637,
  title = {Perioral leukoderma simulating vitiligo from use of a toothpaste containing cinnamic aldehyde.},
  author = {C G Mathias and H I Maibach and M A Conant},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7425664/},
  note = {Source identifier: 7425664}
}