@misc{indiciae13b75ebb6fd4,
  title = {Autoimmune urticaria.},
  author = {Clive E H Grattan},
  year = {2004},
  doi = {10.1016/j.iac.2004.01.003},
  url = {https://pubmed.ncbi.nlm.nih.gov/15120146/},
  note = {Source identifier: 15120146}
}