@misc{indiciaec271fc7767c8,
  title = {Amniotic fluid amylase.},
  author = {A Fernandez de Castro and M Usategui-Gomez and W N Spellacy},
  year = {1973},
  doi = {10.1016/s0002-9378(16)33839-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4718220/},
  note = {Source identifier: 4718220}
}