因果关系只能用临床试验确定。临床试验门槛高，要成功的动物试验，有经费，还要FDA批准，而临床试验的成功率只有10%

来源: 湖西于 2025-10-09 11:02:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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