@misc{indiciaeeb9cc5824fcf, title = {Trisomy 18 in chorionic villus sampling: problems and consequences.}, author = {A Wirtz and K P Gloning and J Murken}, year = {1991}, doi = {10.1002/pd.1970110812}, url = {https://pubmed.ncbi.nlm.nih.gov/1766931/}, note = {Source identifier: 1766931} }