1. Methods Two-dimensional ultrasound and CDFI were applied on 419 patients with ureterolith.
   方法应用二维超声及CDFI对419输尿管结石病人进行超声检查。
2. Method To review and analyze medical history,clinical manifestation,results of clinical retroposition of all 56 cases,and summarize the characteristics of CDFI.
   方法对56例小儿肠套叠的病史、临床表现、超声图像特征、临床复位结果等资料进行回顾性分析,总结超声影像学特征。
3. Methods The size,echo intensity on 2-DUS and blood flow on CDFI in sternocleidomastoid mascle(SCM) masses in 46 infants were examined,measured and analysed.
   方法总结分析46例胸锁乳突肌(SCM)肿块的超声检查资料,分析其大小、内部回声及多普勒血流信号。

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