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doi.org/10.1042/CS19980042, hdl.handle.net/1765/65026
Clinical Science
Department of Gynaecology & Obstetrics

Ursem, N., Struijk, P., Hop, W., Clark, E. B., Keller, B., & Wladimiroff, J. (1998). Heart rate and flow velocity variability as determined from umbilical Doppler velocimetry at 10-20 weeks of gestation. Clinical Science, 95(5), 539–545. doi:10.1042/CS19980042