Nasal bone length hypoplasia based on multiples of the median in the second trimester confers a high risk for fetal trisomy 21 and 18
2005 ◽
Vol 193
(6)
◽
pp. S149
◽
Keyword(s):
2007 ◽
Vol 30
(3)
◽
pp. 271-274
◽
Keyword(s):
Keyword(s):
Keyword(s):
2005 ◽
Vol 24
(6)
◽
pp. 805-810
◽
Keyword(s):
2003 ◽
Vol 189
(6)
◽
pp. S237
Keyword(s):
2005 ◽
Vol 24
(11)
◽
pp. 1487-1489
◽
Keyword(s):
2011 ◽
Vol 204
(1)
◽
pp. S143
Keyword(s):
2006 ◽
Vol 32
(4)
◽
pp. 403-407
◽
Keyword(s):