@misc{indiciae0befa8945ad2, title = {Practice variations in biochemical screening for Down syndrome.}, author = {R R Lenke and K Walkowicz and K Baker}, doi = {10.1089/gte.1997.1.279}, url = {https://pubmed.ncbi.nlm.nih.gov/10464658/}, note = {Source identifier: 10464658} }