P01.21: Prospective study on sonographic examination of Chinese fetal nasal bone in the screening of chromosomally abnormal fetuses in the mid-trimester
2003 ◽
Vol 22
(2)
◽
pp. 135-137
◽
2005 ◽
Vol 25
(6)
◽
pp. 625-627
◽
2009 ◽
Vol 33
(3)
◽
pp. 259-264
◽
2005 ◽
Vol 24
(11)
◽
pp. 1487-1489
◽
Keyword(s):
Keyword(s):
Keyword(s):