@misc{indiciaecdb894ea4d5f,
  title = {Randomized trial comparing first-trimester transcervical chorionic villus sampling and second-trimester amniocentesis.},
  author = {P Ammälä and V K Hiilesmaa and S Liukkonen and T Saisto and K Teramo and H von Koskull},
  year = {1993},
  doi = {10.1002/pd.1970131006},
  url = {https://pubmed.ncbi.nlm.nih.gov/8309899/},
  note = {Source identifier: 8309899}
}