@misc{indiciaeb82461fd64c0,
  title = {Castration methods and their potential cost.},
  author = {P A Mullen},
  year = {1977},
  doi = {10.1136/vr.101.19.391-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/595277/},
  note = {Source identifier: 595277}
}