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    First-Trimester Screening for Birth Defects

    First-Trimester Screening for Birth Defects



    References

    Citations

    1. American College of Obstetricians and Gynecologists (2007, reaffirmed 2011). Screening for fetal chromosomal abnormalities. ACOG Practice Bulletin No. 77. Obstetrics and Gynecology, 109(1): 217–227.



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