@misc{indiciae12ff87714f88,
  title = {Skin testing in chronic urticaria.},
  author = {W J Boonk and W G van Ketel},
  year = {1981},
  doi = {10.1159/000250152},
  url = {https://pubmed.ncbi.nlm.nih.gov/6456949/},
  note = {Source identifier: 6456949}
}