@misc{indiciae675b7f333811,
  title = {Ampicillin and urticaria.},
  author = {H Pullen},
  year = {1969},
  doi = {10.1136/bmj.2.5651.247-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5780439/},
  note = {Source identifier: 5780439}
}