@misc{indiciae50a51bc18a8d,
  title = {Pregnancy zone protein analogue in pregnant and non-pregnant primates, and its decrease during pregnancy in some monkey species.},
  author = {T M Lin and S P Halbert and R Plasencia},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/64329/},
  note = {Source identifier: 64329}
}