目的：探讨慢性病毒性肝炎肝静脉管径及多普勒频谱改变与肝组织病理纤维化程度的关系。
Objective: to analyse the correlation of hepatic vein diameter and Doppler waveform changes with liver histologic fibrosis in chronic liver hepatitis patients.
目的探讨年龄与组织多普勒显象测定的正常人左、右心室舒张功能之间的相关关系。
Objective to explore the correlation between age and left and right ventricular diastolic function indexes measured by tissue Doppler imaging in normal individuals.
目的：初步探讨膀胱癌彩色多普勒血流显像与肿块大小及病理分级的关系。
Objective: to explore the relation of Color Doppler Flow Imaging in bladder tumors and the tumor size and pathology classification.
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