Effect on down syndrome screening performance of adjusting for marker levels in a previous pregnancy
1998 ◽
Vol 18
(7)
◽
pp. 706-712
◽
Keyword(s):
Keyword(s):
1997 ◽
Vol 17
(8)
◽
pp. 717-724
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2005 ◽
Vol 25
(3)
◽
pp. 227-233
◽
2011 ◽
Vol 38
(2)
◽
pp. 134-139
◽
Keyword(s):
Keyword(s):
2012 ◽
Vol 51
(1)
◽
pp. 109-111
◽
2007 ◽
Vol 62
(9)
◽
pp. 571-573