回复：家用血糖仪有可能不准的，要经常换新的。test strip也可能失效。

来源: 于 2012-08-29 06:58:20 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Thanks.

I used the control solution to calibrate it, it is fine.

Test strip val says discarding after 6 months from opening, it is still good.