Objective To evaluate the hemodynamic changes of the vascularity in hepatic focal lesions by color Doppler flow imaging techniques after intravenous injection of Levovist.
目的研究在彩色多普勒超声造影中肝实质性占位血流信号的改变。
Methods: With color Doppler energy imaging techniques to detect blood flow of central artery of retina in30normal cases for control and71cases of diabetics.
方法：采用彩色多普勒能量成像的方法，对30例正常人和71例糖尿病患者视网膜中央动脉的血流进行了检测。
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