First trimester contingency screening for down syndrome using nasal bone assessment
2005 ◽
Vol 193
(6)
◽
pp. S151
Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):
The role of first-trimester fetal nasal bone in screening for down syndrome in the korean population
2006 ◽
Vol 195
(6)
◽
pp. S183
2008 ◽
Vol 32
(3)
◽
pp. 311-312
◽