如果用双盲，应该用在危险系数低的轻症患者。

来源: viewfinder 于 2020-04-03 14:02:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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