Purpose To research the application of Color Doppler Sonography in the diagnosis of senior degenerative valvulopathy.
目的：探讨彩色多普勒超声诊断老年性退行性心瓣膜病的临床应用价值。
Purpose:To assess the clinical value of color doppler sonography in diagnosis and differentiation of the carotid body tumors.
目的：探讨彩色多普勒超声在颈动脉体瘤诊断及鉴别诊断中的临床应用价值。
Objective: To evaluate clinical value of transcranial color Doppler sonography (TCCS) in the diagnosis of carotid-cavernous sinus fistula.
目的：评价经颅彩色多普勒血流显像(TCCS)诊断颈动脉海绵窦瘘的临床应用价值。
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