@misc{indiciaece49d6819e8c,
  title = {Recurrent aphthous stomatitis. An immunofluorescence study.},
  author = {S Ullman and R J Gorlin},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/666336/},
  note = {Source identifier: 666336}
}