509 Elevated first trimester maternal serum free beta-HCG is not associated with adverse pregnancy outcome
2001 ◽
Vol 185
(6)
◽
pp. S220
Keyword(s):
Beta Hcg
◽
2003 ◽
Vol 23
(sup1)
◽
pp. S71-S71
◽
Keyword(s):
2008 ◽
Vol 199
(6)
◽
pp. S172
2001 ◽
Vol 185
(6)
◽
pp. S219
Keyword(s):
2014 ◽
Vol 99
(Suppl 1)
◽
pp. A164.3-A165
Keyword(s):
2010 ◽
Vol 4
(2)
◽
pp. 117-122
2004 ◽
Vol 59
(7)
◽
pp. 495-496
Keyword(s):
2008 ◽
Vol 112
(5)
◽
pp. 1082-1090
◽
Keyword(s):