Noordam, M.J.

artery velocity blood blood flow doppler waveform umbilical fetus carotid artery study flow velocity waveforms obstet middle carotid umbilical artery effect state growth retardation change indomethacin heart pulsatility index wladimiroff circulation resistance fbs 2 f index ductus arteriosus measurement heart rate behavioural states ductu growth gynecol pregnancy behavioural vessel aorta pressure wladimiroff jw pulsatility value arteriosu ultrasound level increase administration ua pi retardation oxygen placental movement brain gynaecol end-diastolic gestation flow velocities fbs 1 f parameter chapter colour sheep hypoxia reduction control result lea pi systolic van den wijngaard animal behavioural state impedance wijngaard difference intracerebral campbell hypoxaemia van eyck doppler velocimetry carotid artery pi