@misc{indiciae5e33e1956bf8, title = {Trisomy 18.}, author = {N Kardon and L Y Hsu and N Beratis and K Hirschhorn}, year = {1970}, doi = {10.1016/s0140-6736(70)90272-2}, url = {https://pubmed.ncbi.nlm.nih.gov/4196013/}, note = {Source identifier: 4196013} }