title: Half peak systolic velocity deceleration time: a new index for umbilical artery Doppler, but not a new Doppler parameter for waveform quantification.
authors.forename: J S
authors.initials: JS
authors.lastname: Carvalho
mesh_terms: D001783:Blood Flow Velocity; D005260:Female; D006801:Humans; D021041:Placental Circulation; D011247:Pregnancy; D013599:Systole; D018608:Ultrasonography, Doppler / Q000379:methods / Q000592:standards*; D014469:Umbilical Arteries / Q000000981:diagnostic imaging*; D014655:Vascular Resistance