@misc{indiciae060393fcf9f8,
  title = {Beta-blocking agents in hay fever.},
  author = {M J Aylett},
  year = {1973},
  doi = {10.1136/bmj.3.5874.293-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/4198800/},
  note = {Source identifier: 4198800}
}