(Q46274386)
Statements
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Prospective intervention trial of a screening protocol to identify fetal trisomy 18 using maternal serum alpha-fetoprotein, unconjugated oestriol, and human chorionic gonadotropin (English)
Prospective intervention trial of a screening protocol to identify fetal trisomy 18 using maternal serum alpha‐fetoprotein, unconjugated oestriol, and human chorionic gonadotropin (English)
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Saller DN Jr
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G. E. Palomaki
G. J. Knight
J. E. Haddow
J. A. Canick
D. N. Saller
D. S. Panizza
1 November 1992
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12
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11
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925-930
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Identifiers
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