The study was conducted by a team of researchers led by Joe Vinson, a chemistry professor at the University of Scranton.

该项研究是由斯克兰顿大学化学教授乔。文森带领的研究小组进行的。

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Republicans and the Bush campaign have been running their heaviest volume in Scranton, Cleveland and Columbus, Ohio, according to the Brennan study.

CNN: latimes.com: Studies find political ad spending spree