@misc{indiciaedcf02572fe96,
  title = {First-trimester screening: lessons from clinical trials and implementation.},
  author = {Brian J Koos},
  year = {2006},
  doi = {10.1097/01.gco.0000192966.29449.01},
  url = {https://pubmed.ncbi.nlm.nih.gov/16601476/},
  note = {Source identifier: 16601476}
}