US medical costs are closer to 3 or 4 times the rest of the worl

来源: 于 2017-03-24 20:54:02 [旧帖] [给我悄悄话] 本文已被阅读：次

US medical costs are closer to 3 or 4 times the rest of the world
Fri, Mar 24, 2017 - 10:32 PM 



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