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Research
Gaseous air pollution and emergency hospital visits for hypertension in Beijing, China: a time-stratified case-crossover study
Guo Y, Tong S, Li S, Barnett AG, Yu W, Zhang Y, Pan X
Environmental Health 2010, 9:57 (5 October 2010)
Abstract http://www.ehjournal.net/content/9/1/57/abstract
Provisional PDF http://www.ehjournal.net/content/pdf/1476-069X-9-57.pdf
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