@misc{indiciae35b39c6eb675,
  title = {Diagnosing pregnancy.},
  author = {J S MacFarlane},
  year = {1973},
  doi = {10.1136/vr.93.9.270-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4760374/},
  note = {Source identifier: 4760374}
}