@misc{indiciaef398d1e40583,
  title = {Microorganisms in recurrent aphthous ulcerations.},
  author = {O Donatsky and T Justesen and K Lind and B F Vestergaard},
  year = {1977},
  doi = {10.1111/j.1600-0722.1977.tb00576.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/271340/},
  note = {Source identifier: 271340}
}