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Title
Exposure to Secondhand Smoke Outside of a Bar and a Restaurant and Tobacco Exposure Biomarkers in Nonsmokers.
Authors
St. Helen, Gideon; Bernert, J. Thomas; Hall, Daniel B.; Sosnoff, Connie S.; Yang Xia; Balmes, John R.; Vena, John E.; Jia-Sheng Wang; Holland, Nina T.; Naeher, Luke P.
Publication
Environmental Health Perspectives, 2012, Vol 120, Issue 7, p1010