科學，檢驗醫學的“大範圍抽樣分組雙盲對照試驗”。檢驗搏擊的就是更貼近實戰規則的擂台。

來源: 您看個樂於 2017-05-06 00:42:11 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.