@misc{indiciaee1df42dd3a4f,
  title = {A problem in vasectomy.},
  author = {P D Hooper},
  year = {1971},
  doi = {10.1016/s0140-6736(71)90308-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4107938/},
  note = {Source identifier: 4107938}
}