DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Tegnander E, Eik-Nes SH, Johansen OJ, Linker DT.
Prenatal detection of heart defects at the routine fetal examination at 18 weeks gestation in a non-selected population. 
Ultrasound Obstet Gynecol 1995; 5: 372-380  

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