@misc{indiciae392f661dfc45,
  title = {Urticaria associated with maxillary sinusitis.},
  author = {R E Williams and S M Santiago and W B Klaustermeyer},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7325416/},
  note = {Source identifier: 7325416}
}