@misc{indiciae9b5f3c49f415,
  title = {Letter: Determining optimum insemination.},
  author = {M J Cooper},
  year = {1975},
  doi = {10.1136/vr.96.1.20},
  url = {https://pubmed.ncbi.nlm.nih.gov/1114631/},
  note = {Source identifier: 1114631}
}