AMNIOTIC FLUID ALPHA-FETOPROTEIN LEVELS AND THE PRENATAL DIAGNOSIS OF NEURAL TUBE DEFECTS: A COLLABORATIVE STUDY OF 2180 PREGNANCIES IN THE NETHERLANDS
1978 ◽
Vol 85
(7)
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pp. 512-517
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2008 ◽
Vol 26
(5)
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pp. 406-413
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1977 ◽
Vol 127
(2)
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pp. 204
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1981 ◽
Vol 27
(10)
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pp. 1658-1660
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