@misc{indiciae4d508cf0a43b,
  title = {Persistent allergic contact dermatitis from squaric acid dibutyl ester.},
  author = {J F Fowler and S J Hodge and G R Tobin},
  year = {1993},
  doi = {10.1016/s0190-9622(08)81147-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/8432926/},
  note = {Source identifier: 8432926}
}