@misc{indiciae92276938645f,
  title = {Positive patch tests to nigrosine.},
  author = {J Mitxelena and A Aguirre and J M Vicente and N Landa and J A Ratón and J L Díaz-Pérez},
  year = {1998},
  doi = {10.1111/j.1600-0536.1998.tb05694.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9536419/},
  note = {Source identifier: 9536419}
}