@misc{indiciaeb81c4288a73c,
  title = {Vasectomy.},
  author = {J M Buchanan},
  year = {1971},
  doi = {10.1136/bmj.4.5789.749-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5129633/},
  note = {Source identifier: 5129633}
}