@misc{indiciae3592259c4ce9,
  title = {Recurrent aphthous ulcers and nicotine.},
  author = {R Bittoun},
  year = {1991},
  doi = {10.5694/j.1326-5377.1991.tb121180.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2005845/},
  note = {Source identifier: 2005845}
}