@misc{indiciae843ee986f8fb,
  title = {Retrograde ejaculation.},
  author = {P Walden},
  year = {1969},
  doi = {10.1016/s0140-6736(69)91060-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4179002/},
  note = {Source identifier: 4179002}
}