Second hand tobacco smoke exposure and heart rate variability and inflammation among non-smoking construction workers: a repeated measures studyZhang J, Fang SC, Mittleman MA, Christiani DC, Cavallari JMEnvironmental Health 2013, 12:83 (2 October 2013)
Abstract                  http://www.ehjournal.net/content/12/1/83/abstract
Provisional PDF     http://www.ehjournal.net/content/pdf/1476-069X-12-83.pdf
PubMed                 http://www.ehjournal.net/pubmed/24083379

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