P10.09: First trimester ductus venosus, nasal bones and trisomy 21 in a high-risk population
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2005 ◽
Vol 105
(6)
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pp. 1348-1354
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2003 ◽
Vol 101
(5, Part 1)
◽
pp. 905-908
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2007 ◽
Vol 197
(6)
◽
pp. S52
Keyword(s):
2003 ◽
Vol 101
(5)
◽
pp. 905-908
◽
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1997 ◽
Vol 176
(1)
◽
pp. S10
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