@misc{indiciae38b37485f22c,
  title = {Oestriol concentration in amniotic fluid.},
  author = {E A Michie and J R Livingstone},
  year = {1969},
  doi = {10.1530/acta.0.0610329},
  url = {https://pubmed.ncbi.nlm.nih.gov/5819749/},
  note = {Source identifier: 5819749}
}