2逼一個.前段尿，中段尿和未段尿有區別嗎？自己google一下.為什麽取尿液必須是中段尿？

來源: dock999 於 2015-02-07 00:06:15 [舊帖] [給我悄悄話] 本文已被閱讀：次

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