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Cycling Health Risks from Car Exhaust
Exercising Amidst Particulate Pollution Is Bad for Heart

cycling in traffic causes heart rate variability      web

webhttp://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2011/07/11/BAGG1K737V.DTL
authorBrett Israel
publicationEnvironmental Health News
date2011-07-11

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