OC18.01: The prenasal thickness to nasal bone length ratio: 2D versus 3D ultrasound
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2011 ◽
Vol 39
(2)
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pp. 185-190
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2015 ◽
Vol 36
(05)
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pp. 501-506
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2015 ◽
Vol 191
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pp. 28-32
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2015 ◽
Vol 45
(2)
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pp. 211-216
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2005 ◽
Vol 24
(6)
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pp. 805-810
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