DOI: 10.1055/s-00000089

Ultraschall in der Medizin - European Journal of Ultrasound

References

Johnson SP, Sebire NJ, Snijders RJM et al.
Ultrasound screening for anencephaly at 10–14 weeks of gestation.

Ultrasound Obstet Gynecol 1997;
9: 14-16

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