@misc{indiciae74c6fc7a6a89,
  title = {Prenatal biochemical screening.},
  author = {A Drugan and J E O'Brien and R S Gambino and M I Evans},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1380558/},
  note = {Source identifier: 1380558}
}