@misc{indiciaea2a13d512360,
  title = {Immunologic implications of vasectomy. II. Serum-mediated immunity.},
  author = {G E Brannen and D S Coffey},
  year = {1974},
  doi = {10.1016/s0015-0282(16)40456-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4835607/},
  note = {Source identifier: 4835607}
}