this was a very complicated study

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送交者: cornbug 于 2015-03-03, 22:29:04:

回答: PNAS: Evidence on the impact of sustained exposure to air pollution ... 由 JZ 于 2015-03-03, 20:13:30:

with many many uncertainties: http://www.pnas.org/content/suppl/2013/07/03/1300018110.DCSupplemental/sapp.pdf


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