@misc{indiciae42ad95eb1403, title = {Second trimester two-step trisomy 18 screening using maternal serum markers.}, author = {Françoise Muller and Corinne Sault and Catherine Lemay and Nathalie Roussel-Mizon and François Forestier and Jean-Louis Frendo and ABA Collaborative Group}, year = {2002}, doi = {10.1002/pd.345}, url = {https://pubmed.ncbi.nlm.nih.gov/12124697/}, note = {Source identifier: 12124697} }