come on, 上面20年都爆发过无数次了，连infection 减弱速度都计算过了，还不了解？！自己去看看NEJM吧。

来源: kozy 于 2014-10-23 21:27:11 [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.