目的：探讨彩色多普勒超声在评估肝癌术后肝功能受损程度方面的价值。
Objective: to explore the values of color Doppler in estimating liver dysfunction after hepatectomy for hepatic cancer.
目的：评估彩色多普勒超声对下肢深静脉血栓形成后综合征的诊断价值。
Objective: To evaluate the clinical value of Color Doppler Ultrasound in the diagnosis of deep venous thrombosis syndrome.
目的评估彩色多普勒超声在产前诊断胎儿单脐动脉的临床价值。
Objective To evaluate the clinical role of color Doppler ultrasonography in the prenatal diagnosis of single umbilical artery (SUA).
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