Absence of nasal bone and detection of trisomy 21
2015 ◽
Vol 36
(S 01)
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Keyword(s):
2004 ◽
Vol 23
(1)
◽
pp. 96-97
◽
2005 ◽
Vol 192
(4)
◽
pp. 1107-1111
◽
Keyword(s):
2003 ◽
Vol 101
(5, Part 1)
◽
pp. 905-908
◽
Keyword(s):