@misc{indiciae76d9b2fe0090, title = {Pre-natal screening for Down's syndrome.}, author = {A Phillips and A Wakeman}, year = {1994}, doi = {10.1093/oxfordjournals.pubmed.a042915}, url = {https://pubmed.ncbi.nlm.nih.gov/8080557/}, note = {Source identifier: 8080557} }