A small group of Australian scientists, the so-called Perth group, claims that there is no proof that HIV exists.
然而一小组名为帕斯小组(Perth Group)的澳大利亚科学家声称没有证据表明HIV病毒存在。
A small group of Australian scientists, the so-called Perth group, claims that there is no proof that HIV exists.
然而一小组名为帕斯小组(Perth Group)的澳大利亚科学家声称没有证据表明HIV病毒存在。
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