@misc{indiciae4e13f12273a5,
  title = {Amniotic fluid phospholipid profile.},
  author = {D James and A Harkes},
  year = {1981},
  doi = {10.1136/bmj.282.6268.994-e},
  url = {https://pubmed.ncbi.nlm.nih.gov/6781704/},
  note = {Source identifier: 6781704}
}