@misc{indiciae00992c4410c7,
  title = {[Sildenafil].},
  author = {H Sperling and M C Michel},
  year = {1999},
  doi = {10.1055/s-0029-1233140},
  url = {https://pubmed.ncbi.nlm.nih.gov/10081479/},
  note = {Source identifier: 10081479}
}