紅腫直徑大於1.5厘米為強陽性反應。說明您過去打過卡介苗或感染過結核菌。您的T細胞還有記憶，釋放了淋巴因子。。。

來源: 禦用文人於 2014-02-21 08:07:24 [舊帖] [給我悄悄話] 本文已被閱讀：次

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