@misc{indiciae0922f24d8f58,
  title = {Amniotic fluid studies to determine maturity.},
  author = {B F Andrews},
  year = {1970},
  doi = {10.1016/s0031-3955(16)32375-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/5419109/},
  note = {Source identifier: 5419109}
}