Paragraph 3______A. Are clinical trials safe?B. W

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Paragraph 3______

A. Are clinical trials safe?

B. What are clinical trials?

C. What should people know before participating in a clinical trial?

D. Who should consider clinical trials and why?

E. Where are clinical trials conducted?

F. Why are clinical trials done?

热搜:关于氨基酸代谢错误的论述是_________。

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  • 答案:A

    第三段主要讲参加临床试验的安全性问题。尽管FDA等会做出努力,但是新治疗方法的不确定性是不可避免的。