Nasal bone length, prenasal thickness, prenasal thickness‐to‐nasal bone length ratio and prefrontal space ratio in second‐ and third‐trimester fetuses with Down syndrome
Publisher: John Wiley & Sons Inc
E-ISSN: 1469-0705|45|2|211-216
ISSN: 0960-7692
Source: ULTRASOUND IN OBSTETRICS & GYNECOLOGY, Vol.45, Iss.2, 2015-02, pp. : 211-216
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Abstract