@misc{indiciaec4fe619fde7c,
  title = {Psychologic stress and recurrent aphthous ulceration.},
  author = {A Pedersen},
  year = {1989},
  doi = {10.1111/j.1600-0714.1989.tb00747.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2746521/},
  note = {Source identifier: 2746521}
}