@misc{indiciae62414dac6b61, title = {Calculating correct Down's syndrome risks.}, author = {E M Wallace and S Mulvey}, year = {1999}, doi = {10.1111/j.1471-0528.1999.tb08450.x}, url = {https://pubmed.ncbi.nlm.nih.gov/10492121/}, note = {Source identifier: 10492121} }