Low second-trimester maternal serum human chorionic gonadotrophin in a trisomy 9 pregnancy
1998 ◽
Vol 18
(11)
◽
pp. 1212-1212
◽
Keyword(s):
1999 ◽
Vol 106
(6)
◽
pp. 598-600
◽
2003 ◽
Vol 110
(1)
◽
pp. 46-52
Keyword(s):
1998 ◽
Vol 18
(6)
◽
pp. 585-589
◽
2003 ◽
Vol 110
(1)
◽
pp. 46-52
◽
Keyword(s):
2003 ◽
Vol 23
(sup1)
◽
pp. S71-S71
◽