DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Ursem NTC, Struijk PC, Hop WCJ, Clark EB, Keller BB, Wladimiroff JW.
Heart rate and flow velocity variability as determined from umbilical Doppler velocimetry at 10-20 weeks of gestation.

Clin Sci (Lond) 1998;
95 (05) 539-545

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