Results The occurrence of phlebitis was related to puncture site, retaining time and the transfusion of irritative drugs.

结果肾移植术后发生静脉炎与穿刺部位、留置时间长短、输入刺激性药物有关。

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Methods the retaining time in 25 bronchi from 22 cases of old patients and the results of bacterial culture were analyzed.

方法：分析22例老年患者的25个气管导管各留置时间段与细菌培养结果。

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Objective To study on relation between needle retaining time and therapeutic effect in acupuncture treatment of simple facial paralysis.

目的：研究针刺治疗单纯性面神经麻痹中留针时间长短与疗效的关系。

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Both polls indicate that President Pervez Musharraf's ruling coalition will have a difficult time retaining power in the vote.

CNN: Polls: Musharraf, al Qaeda losing support

Retaining full-time staff may work in some instances but not in others.

FORBES: The Hidden Costs of Outsourcing

The process of achieving and retaining inscription consumes time and resources: does it attract additional resources, or perhaps divert them from physically caring for heritage?

UNESCO: Whither World Heritage?