@misc{indiciae31ed8d94a544,
  title = {First trimester screening: economic implications.},
  author = {George A Macones and Anthony Odibo},
  year = {2005},
  doi = {10.1053/j.semperi.2005.05.005},
  url = {https://pubmed.ncbi.nlm.nih.gov/16104679/},
  note = {Source identifier: 16104679}
}