However, the study stopped short of saying what that new age should be, saying further studies "are needed to demonstrate the relative clinical effectiveness of screening at different ages."
不过，研究并没有说新的年龄应当是多少，只是说：为了提高不同年龄段筛查的相对有效性，还需要进一步的研究。
Researchers also say the study raises concerns about clinical trials used to determine the effectiveness of drugs.
研究者还称此项研究增加了对于降低药效的临床试验的关注。
The findings of this study, the authors concluded, add to “mounting evidence that combination therapy from treatment initiation provides superior clinical effectiveness.”
这一研究发现，作者们总结补充说“日益增多的证据表明治疗一开始采用联合治疗临床疗效更佳。”
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