@misc{indiciae958fbb149300,
  title = {Signals from the conceptus.},
  author = {A Klopper and D M Saunders},
  year = {1994},
  doi = {10.1111/j.1479-828x.1994.tb01064.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7531434/},
  note = {Source identifier: 7531434}
}