@misc{indiciae9e2f150565c0,
  title = {Amniocentesis or chorionic villus sampling in multiple gestations? Experience with 500 cases.},
  author = {C van den Berg and A P Braat and D Van Opstal and D J Halley and W J Kleijer and N S den Hollander and H Brandenburg and L Pijpers and F J Los},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10210122/},
  note = {Source identifier: 10210122}
}