第一針是“毒性”試驗，先在動物身上做過，證明非致命，然後用人。至少十例以上證實其安全性，然後才是有效性

來源: fuz 於 2020-03-03 12:06:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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