@misc{indiciae39ba7f35a409,
  title = {Chorionic villus sampling versus amniocentesis.},
  author = {R H Ward and M Lucas},
  year = {1989},
  doi = {10.1016/s0140-6736(89)92191-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/2564502/},
  note = {Source identifier: 2564502}
}