@misc{indiciaec583cf9d9583,
  title = {Repeated patch testing in penicillin allergy.},
  author = {D P Bruynzeel and W G van Ketel},
  year = {1981},
  doi = {10.1111/j.1365-2133.1981.tb00038.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6452155/},
  note = {Source identifier: 6452155}
}