Response to “Half of first trimester screen positive pregnancies with an abnormal karyotype had a normal nuchal translucency measurement”
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1999 ◽
Vol 19
(4)
◽
pp. 360-363
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2001 ◽
Vol 18
(1)
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pp. 23-25
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2003 ◽
Vol 189
(6)
◽
pp. S78
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2004 ◽
Vol 191
(6)
◽
pp. S166
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