Dunbar, Z., Das, A., O’Connor, R., Goniewicz, M., Wei, B., & Travers, M. (2018). Brief Report: Lead Levels in Selected Electronic Cigarettes from Canada and the United States. International Journal of Environmental Research and Public Health, 15(1). https://doi.org/10.3390/ijerph15010154 (Original work published 2018)

Wei, B., Goniewicz, M., O’Connor, R., Travers, M., & Hyland, A. (2018). Urinary Metabolite Levels of Flame Retardants in Electronic Cigarette Users: A Study Using the Data from NHANES 2013-2014. International Journal of Environmental Research and Public Health, 15(2). https://doi.org/10.3390/ijerph15020201 (Original work published 2018)