@misc{indiciae8e1d1a083c59,
  title = {Sildenafil citrate (VIAGRA) improves erectile function in elderly patients with erectile dysfunction: a subgroup analysis.},
  author = {G Wagner and F Montorsi and S Auerbach and M Collins},
  year = {2001},
  doi = {10.1093/gerona/56.2.m113},
  url = {https://pubmed.ncbi.nlm.nih.gov/11213274/},
  note = {Source identifier: 11213274}
}