阅读理解，缺乏证据是FDA说的，没用或有害是BALTIMORE的说的。
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送交者: Enlighten 于 2008-01-28, 16:24:04:
回答: FDA说得还不够清楚么 由 师太 于 2008-01-28, 16:13:35:
Baltimore city officials filed a citizen petition with the FDA in March, noting that the remedies do not help children under 6 years of age and may in fact harm them.
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