@misc{indiciaec6ab04043552,
  title = {Ultrastructural observations on amniotic fluid cells.},
  author = {M L Nieland and T H Parmley and J D Woodruff},
  year = {1970},
  doi = {10.1016/0002-9378(70)90448-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4097989/},
  note = {Source identifier: 4097989}
}