MATERNAL SERUM-ALPHA-FETOPROTEIN LEVELS AND PRENATAL DIAGNOSIS OF NEURAL-TUBE DEFECTS
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1992 ◽
Vol 8
(6)
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pp. 341-341
1989 ◽
Vol 244
(3)
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pp. 133-136
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2020 ◽
Vol 222
(1)
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pp. S470
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1976 ◽
Vol 83
(3)
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pp. 213-216
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