@misc{indiciae2f4518004f14,
  title = {First trimester screening.},
  author = {Sarah C Ellestad and Steven R Wells and Jeffrey A Kuller},
  year = {2005},
  doi = {10.1159/000083485},
  url = {https://pubmed.ncbi.nlm.nih.gov/15687731/},
  note = {Source identifier: 15687731}
}