@misc{indiciae9b73162c7260,
  title = {Long-standing oral ulcers.},
  author = {Carolina Talhari and Wolfgang Angerstein and Jürgen Becker and Thomas Ruzicka and Mosaad Megahed},
  doi = {10.1016/s0140-6736(05)71092-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/15767005/},
  note = {Source identifier: 15767005}
}