DOI: 10.1055/s-00000089

Ultraschall in der Medizin - European Journal of Ultrasound

References

Pexsters A, Luts J, van Schoubroeck D et al.
Clinical implications of intra- and interobserver reproducibility of transvaginal sonographic measurement of gestational sac and crown-rump length at 6–9 weeks’ gestation.

Ultrasound Obstet Gynecol 2011;
38: 510-515

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