@misc{indiciae9fa331cafc5e,
  title = {Genetic diagnosis before the eighth gestational week.},
  author = {B Brambati and L Tului and G Simoni and M Travi},
  year = {1991},
  doi = {10.1097/00006250-199102000-00034},
  url = {https://pubmed.ncbi.nlm.nih.gov/1988902/},
  note = {Source identifier: 1988902}
}