New clinical trials were completed, as were analyses of other sorts of medical data. Researchers studied the risks and costs of screening more rigorously than ever before.

与其他类型的诊断方法对比的最新临床试验已经完成，研究结果显示，癌症筛检的风险和成本比任何传统诊断手段都要高。

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Whether there really is a measurable benefit from PSA screening for younger men won't be known for a few more years, after data from two major clinical trials studying the test are reported.

年轻男人的PS A筛查是否真的有益，几年后才能知道，会有两个研究这个的大型临床试验报告数据。

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The USPSTF comments that since its last review in 2002, no good-quality randomized controlled trials of screening for prostate cancer have been completed.

USPSTF评论说自从2002年作过回顾综述以后，尚没有已完成的高质量的前列腺癌方面的随机对照研究。

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Thomas Fleming, a University of Washington statistician who was a prominent skeptic about the early approval of Iressa, spent much of he meaning working out exactly how the screening trials were designed.

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There is very high certainty from well-designed trials that colon cancer screening, combined with effective follow-up and treatment of abnormal findings, reduces risk of colon cancer death by at least 35 percent and risk of getting colon cancer by 20 percent.

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From Thursday, More 4 will be screening the traditional-sounding World Sheepdog Trials.

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