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web | Kathryn Doyle | Reuters | 2015-04-01 | |
web | Melinda C Power, Marianthi-Ann... | BMJ | 2015-03-24 | |
web | Amanda Woerner | Fox News | 2014-06-06 | |
web | Wang Hongyi | China Daily | 2013-10-28 | |
web | Union of Concerned Scientists | 2006-12-14 |