@misc{indiciaed7faee8fd291,
  title = {Boar spermatozoa with multiple heads.},
  author = {Y Kojima},
  year = {1973},
  doi = {10.1530/jrf.0.0350537},
  url = {https://pubmed.ncbi.nlm.nih.gov/4760152/},
  note = {Source identifier: 4760152}
}