求翻译：这只是将动物实验信息用于人类而失败的众多例子中的一小部分。当一种治疗手段或化学药物首次用于人类时，这的确是个测试阶段。如果人类显示在动物实验中所没有的反应，研究人员就回到实验室，尝试在动物身上重现这些副作用。但这往往是行不通的。他们继续控制各种因素，如浓度和使用次数，妄图在动物和人类之间做比较，而这种可比性是不存在的。即使他们成功，又能说明什么呢？绝对说明不了什么。真正有用的信息都是通过对人的观察和研究发现的。所以动物保护者极其反对动物实验。是什么意思？

正在翻译，请等待...

This is only the use of animals for human and experimental information failed one of many examples. When a form of treatment for drug or chemical means for humanity, this is indeed a testing phase. If the human race appears in animal experiments that are not in the reaction, the researchers will ret

This only is uses in the animal experimentation information in a multitudinous example small part which the humanity is defeated.When one treatment method or chemistry medicine use in the humanity for the first time, this indeed is the test stage.If the humanity demonstrated in the animal experiment

Only use experimental information for a few of the many examples of failed human. When a treatment or chemical drugs when used in humans for the first time, it was a test phase. If humans show no reaction in animal experiments, researchers went back to the lab, try to reproduce these effects in anim

正在翻译，请等待...