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Obstetrics & Gynecology:
doi: 10.1097/01.AOG.0000257617.71706.20
Departments: Letters to the Editor

Comparison of Serum Markers in First-Trimester Down Syndrome Screening

Canick, Jacob A. PhD; Palomaki, Glenn E. BA, BS; Lambert-Messerlian, Geralyn M. PhD; Malone, Fergal D. MD; D'Alton, Mary E. MD

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