the statistics from China is not complete, not trustworthy. US

來源: johndoe26 於 2014-01-16 12:52:39 [檔案] [舊帖] [給我悄悄話] 本文已被閱讀：次 (135 bytes)

回答: 美國的肺癌發病率為什麽高於中國？由河裏的石頭1 於 2014-01-16 09:31:37

each county or even each hospital. Nothing like that in China. In rurual areas, people will die without even a diagnosis.

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