First trimester measurements of nasal bone length using three-dimensional ultrasound
2012 ◽
Vol 39
(6)
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pp. 636-641
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2010 ◽
Vol 36
(3)
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pp. 285-290
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2012 ◽
Vol 51
(3)
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pp. 354-358
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2009 ◽
Vol 34
(1)
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pp. 33-37
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2005 ◽
Vol 24
(11)
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pp. 1487-1489
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