@misc{indiciaebb5d09b8b493,
  title = {Primary erectile dysfunction.},
  author = {C G Stief and W Bähren and W Scherb and H Gall},
  year = {1989},
  doi = {10.1016/s0022-5347(17)40750-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/2913352/},
  note = {Source identifier: 2913352}
}