@misc{indiciae1f13fc2005af,
  title = {Safety data for sildenafil.},
  author = {Paul G McDonough},
  year = {2002},
  doi = {10.1016/s0015-0282(02)04358-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/12477553/},
  note = {Source identifier: 12477553}
}