@misc{indiciae09bcbc5215ad,
  title = {The effect of timolol drops on respiratory function.},
  author = {S A Sadiq and K Fielding and S A Vernon},
  year = {1998},
  doi = {10.1038/eye.1998.91},
  url = {https://pubmed.ncbi.nlm.nih.gov/9775236/},
  note = {Source identifier: 9775236}
}