什麽是淋巴和淋巴結，它們的作用和分布？為什麽在脖子，腋下和腹溝發現淋巴結？

來源: lawattaction 於 2016-03-04 16:33:25 [舊帖] [給我悄悄話] 本文已被閱讀：次

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