@misc{indiciae87fd8c1eb23a,
  title = {Immunologic consequences of vasectomy.},
  author = {S Shulman and E Zappi and U Ahmed and J E Davis},
  year = {1972},
  doi = {10.1016/0010-7824(72)90066-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4650652/},
  note = {Source identifier: 4650652}
}