@misc{indiciae5ac34918fb86,
  title = {Letter: Vasectomy: long-term effects.},
  author = {N J Alexander},
  year = {1973},
  doi = {10.1126/science.182.4115.946-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4745599/},
  note = {Source identifier: 4745599}
}