DOI:
10.1055/s-00000089
Ultraschall in der Medizin - European Journal of Ultrasound
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References
Molina F, Persico N, Borestein M. et al
Frontomaxilary facial angle in trisomy 21 fetuses at 16 – 24 weeks of gestation.
Ultrasound Obstetr Gynecol 2008; 31: 384-387
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