Clinical trials are very expensive. That is the worry of the researcher.

临床实验费用昂贵，这是研究者们所担心的。

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They cite a 2007 review by Allan Kalueff, a researcher now at Tulane University, in Current Opinion in Clinical Nutrition and Metabolic Care.

他们应用了2007年发表在《现行临床营养与代谢护理》上的现在杜兰大学任教的研究者Allan Kalueff的评论。

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The red 20 markers we'll save for further use, for additional clinical experiments, or additional analysis, and at this point the researcher was able to successfully get the results done.

我们将会为进一步的使用，因为附加的临床实验，或附加的分析解救的红色20个作记号的人，和在点研究员能够成功的有被做的结果。

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One of the study authors, Dr. Howard Zellen, a noted cancer clinical trial researcher, said he still recommends mammography screening.

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"Naturally, powerful people tend to gravitate toward other powerful people, " explains clinical psychologist and celebrity researcher Jim Houran, for reasons that range from proximity (stars hang around other stars) to familiarity (people are attracted, at least initially, to others like them) to clearer expectations (shared priorities make it easier for celebrities to relate).

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Even the head researcher on some key torcetrapib clinical trials, the Cleveland Clinic's Steven Nissen, says he "encouraged" Pfizer to consider marketing torcetrapib as a standalone agent as well as in combination with Lipitor, to give doctors more options.

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