@misc{indiciae05466688e4d2,
  title = {Stanbio and "Tekit" methods for placental estrogens compared.},
  author = {P G Besch and V C Buttram and N F Besch},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4704929/},
  note = {Source identifier: 4704929}
}