DOI: 10.1055/s-00000089

Ultraschall in der Medizin - European Journal of Ultrasound

References

Levine RJ, Qian C, Leshane ES. et al.
Two-stage elevation of cell-free fetal DNA in maternal sera before onset of preeclampsia.

American journal of obstetrics and gynecology 2004;
190: 707-713

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