因果關係隻能用臨床試驗確定。臨床試驗門檻高，要成功的動物試驗，有經費，還要FDA批準，而臨床試驗的成功率隻有10%

來源: 湖西於 2025-10-09 11:02:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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