Ultrasonographic measurement of fetal nasal bone in the Korean population at the first and second trimester
2004 ◽
Vol 191
(6)
◽
pp. S181
2005 ◽
Vol 24
(11)
◽
pp. 1487-1489
◽
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
2006 ◽
Vol 32
(4)
◽
pp. 403-407
◽
Keyword(s):
2017 ◽
Vol 97
(2)
◽
pp. 180-186
◽
Keyword(s):
Keyword(s):