Likelihood ratio for trisomy 21 in fetuses with absent nasal bone at the 11-14-week scan
2004 ◽
Vol 23
(3)
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pp. 218-223
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2003 ◽
Vol 101
(5, Part 1)
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pp. 905-908
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Keyword(s):
2003 ◽
Vol 101
(5)
◽
pp. 905-908
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Keyword(s):
Keyword(s):
2015 ◽
Vol 36
(S 01)
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Keyword(s):