好像還是利潤問題：見鏈接

來源: rancho2008 於 2015-03-03 09:37:35 [舊帖] [給我悄悄話] 本文已被閱讀：次

http://www.reuters.com/article/2013/07/25/us-anesthesia-colonoscopy-idUSBRE96O0RW20130725

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