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has major subject area list
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Chorionic Villi Sampling; Congenital Abnormalities
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has minor subject area list
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Catheterization; Female; Follow-Up Studies; Humans; Limb Deformities, Congenital; Pregnancy; Pregnancy Trimester, First; Prospective Studies
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information resource reference
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Cook obstetrics and gynecology catheter multicenter chorionic villus sampling trial: comparison of birth defects with expected rates. Am J Obstet Gynecol. 1993 Oct; 169(4):1022-6.
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label
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Cook obstetrics and gynecology catheter multicenter chorionic villus sampling trial: comparison of birth defects with expected rates.
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