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doi.org/10.1046/j.1469-0705.1999.14040244.x, hdl.handle.net/1765/69626
Ultrasound in Obstetrics and Gynecology
Department of Gynaecology & Obstetrics

Ursem, N., Clark, E. B., Keller, B., Hop, W., & Wladimiroff, J. (1999). Do heart rate and velocity variability derived from umbilical artery velocity waveforms change prior to clinical pregnancy-induced hypertension?. Ultrasound in Obstetrics and Gynecology, 14(4), 244–249. doi:10.1046/j.1469-0705.1999.14040244.x