@misc{indiciae768a202dc0e6,
  title = {Placental localization by different methods.},
  author = {P Pystynen and A Ojala and P Ylöstalo and R Lahti and P A Järvinen},
  year = {1969},
  doi = {10.3109/00016346909157738},
  url = {https://pubmed.ncbi.nlm.nih.gov/5380817/},
  note = {Source identifier: 5380817}
}