@misc{indiciae34bc7bd00b5d,
  title = {Patch testing with copper sulphate.},
  author = {S Walton},
  year = {1983},
  doi = {10.1111/j.1600-0536.1983.tb04422.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6617196/},
  note = {Source identifier: 6617196}
}