@misc{indiciaebb3a6ca23a9d,
  title = {Limb defects and gestational age at chorionic villus sampling.},
  author = {R S Olney and M J Khoury and L D Botto and P Mastroiacovo},
  year = {1994},
  doi = {10.1016/s0140-6736(94)91808-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/7914585/},
  note = {Source identifier: 7914585}
}