(Q51944379)
Statements
Screening for trisomy 21 with maternal age, fetal nuchal translucency and maternal serum biochemistry at 11-14 weeks: a regional experience from Germany. (English)
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Soergel P
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Pruggmayer M
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Schwerdtfeger R
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Muhlhaus K
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Scharf A
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1 January 2006
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21
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3
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264-268
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