Second-trimester maternal serum screening using alpha-fetoprotein, human chorionic gonadotrophin, and unconjugated oestriol: Experience of a regional programme
1993 ◽
Vol 6
(2)
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pp. 91-94
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Keyword(s):
1998 ◽
Vol 18
(6)
◽
pp. 585-589
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2003 ◽
Vol 110
(1)
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pp. 46-52
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2004 ◽
Vol 15
(3)
◽
pp. 160-166
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1999 ◽
Vol 106
(6)
◽
pp. 598-600
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