636 Maternal serum screening using alpha-feto protein, beta-human chorionic gonadotropin and unconjugated estriol (AFP+) in the second trimester
1991 ◽
Vol 164
(1)
◽
pp. 419
2004 ◽
Vol 15
(3)
◽
pp. 160-166
◽
1995 ◽
Vol 173
(4)
◽
pp. 1306-1309
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2005 ◽
Vol 45
(4)
◽
pp. 283-288
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2009 ◽
Vol 27
(02)
◽
pp. 173-180
◽
2008 ◽
Vol 17
(3)
◽
pp. 387-390
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Keyword(s):
2020 ◽
Vol 10
(1)
◽
pp. 49