OP01.02: Association of first-trimester nasal bone length with free beta hCG, PAPP-A and nuchal translcuency
Keyword(s):
2009 ◽
Vol 34
(1)
◽
pp. 33-37
◽
Keyword(s):
2005 ◽
Vol 24
(11)
◽
pp. 1487-1489
◽
Keyword(s):
Keyword(s):
Keyword(s):