@misc{indiciaeda12df77446d,
  title = {Semen cryopreservation: an update.},
  author = {R Witherington and J B Black and A M Karow},
  year = {1977},
  doi = {10.1016/s0022-5347(17)58088-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/916038/},
  note = {Source identifier: 916038}
}