@misc{indiciae29d43ee1d591,
  title = {Visual halos after sildenafil (Viagra).},
  author = {Michael J Potter and Darren Behn},
  year = {2002},
  doi = {10.1016/s0161-6420(02)01024-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/11986069/},
  note = {Source identifier: 11986069}
}