P01.14: Monsomy 21 detected by second-trimester screening for Down syndrome
2020 ◽
2001 ◽
Vol 185
(6)
◽
pp. S224
2009 ◽
Vol 107
◽
pp. S526-S527
◽
1997 ◽
Vol 17
(12)
◽
pp. 1135-1141
◽
Keyword(s):
2003 ◽
Vol 102
(2)
◽
pp. 413-414
◽
Keyword(s):
Keyword(s):
2003 ◽
Vol 102
(2)
◽
pp. 413
◽
Keyword(s):