@misc{indiciae7ca553ae9983,
  title = {Vaginosonography and chorionic villus sampling (CVS)},
  author = {G Ghirardini and L W Popp},
  year = {1993},
  doi = {10.1002/pd.1970130314},
  url = {https://pubmed.ncbi.nlm.nih.gov/8347231/},
  note = {Source identifier: 8347231}
}