摸硬塊 is right, if you have not exposure to the bacteria for a pretty long time, your PPD(TB skin test) may become negative
回複:唉,唧唧歪歪一下
所有跟帖:
• 是這樣,希望我屬於此類,有一個合理解釋就好了 -朱兒- ♀ (275 bytes) () 07/02/2007 postreply 15:04:35
• 回複:是這樣,希望我屬於此類,有一個合理解釋就好了 -MPOS- ♂ (198 bytes) () 07/02/2007 postreply 16:34:46