DOI: 10.1055/s-00000089

Ultraschall in der Medizin - European Journal of Ultrasound

References

Manegold-Brauer G, Bourdil L, Berg C. et al.
Prenasal thickness to nasal bone length ratio in normal and trisomy 21 fetuses at 11–14 weeks of gestation.

Prenat Diagn 2015;
35: 1079-1084

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