Methods:Use death rate and YPLL et al analysis methods to analyze the data of causes of death among residents in Huhhot 1999.

方法：应用死亡率及潜在寿命损失等评估指标对呼和浩特市回民区居民1 999年死亡监测资料进行分析。

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Caspi et al. was not a small study, but it also should surprise us that an analysis of a larger population yielded different results.

Caspi等人的研究不是一个小研究，但是它也应该使我们惊讶对更大特定人群的分析产生了不同的结果。

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Peters et al suggest that the procedure should be reserved only for research protocols with rigorous analysis of the risk-benefit ratio.

Peters等人建议，此手术应限制在研究框架内，需严格分析其风险-效益比。

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"Everything today has a computer in it, " says Al Lee, director of quantitative analysis at PayScale.com, an online compensation comparison tool.

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"Starting salaries do not tell you a whole lot, but there is a real divergence in dollar terms as you go over the course of a career, " says Al Lee, director of quantitative analysis at PayScale.com.

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While it would be a formidable task to check every study Wagenaar et al. subsumed in their meta-analysis, a quick check to find out whether they included a study with a known systematic bias reveals the study included Chesson et al., a study by the Centers for Disease Control which claimed that increased beer taxes could reduce the rate of gonorrhea.

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