Fetal nasal bone as ultrasonographic marker for trisomy 21 in a low-risk population between 18 and 22 gestational weeks

Author: Gámez F.   Ferreiro P.  

Publisher: Informa Healthcare

ISSN: 1472-2240

Source: The Ultrasound Review of Obstetrics & Gynecology, Vol.5, Iss.3, 2005-09, pp. : 171-177

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