VP30.06: Second trimester markers for Trisomy 21: should nasal bone be used?
2011 ◽
Vol 2011
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pp. 133-135
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2007 ◽
Vol 30
(3)
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pp. 271-274
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Keyword(s):
Keyword(s):
Keyword(s):
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2005 ◽
Vol 193
(6)
◽
pp. S149
◽
Keyword(s):