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Open Access Open Badges Research article

A cross-sectional study of secondhand smoke exposure and respiratory symptoms in non-current smokers in the U.S. trucking industry: SHS exposure and respiratory symptoms

Francine Laden*, Yueh-Hsiu Chiu, Eric Garshick, S Katharine Hammond and Jaime E Hart

BMC Public Health 2013, 13:93  doi:10.1186/1471-2458-13-93

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