Objective To investigate the value of color Doppler ultrasonography in diagnosing thyroid disease.

目的探讨彩色多普勒诊断甲状腺疾病的价值。

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Objective To evaluate the value of color Doppler ultrasonography in diagnosing complications after liver transplantation.

目的探讨彩色多普勒超声在原位肝移植术后并发症中的诊断价值。

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Objective To investigate the value of two-dimensional and color Doppler ultrasonography in diagnosing hepatic tuberculosis.

目的探讨二维及彩色多普勒超声在肝结核中的诊断价值。

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