@misc{indiciae0d4c829bf4ce,
  title = {Sildenafil citrate (Viagra).},
  author = {G Brock},
  doi = {10.1358/dot.2000.36.2-3.568786},
  url = {https://pubmed.ncbi.nlm.nih.gov/12879110/},
  note = {Source identifier: 12879110}
}