Source:Reif, John, Christa Bruns, and Kimberly Lower. “Cancer of the Nasal Cavity and Paranasal Sinuses and Exposure to Environmental Tobacco Smoke in Pet Dogs.” American Journal of Epidemiology. 147(5). 1998. Web.
Source:"The Role of the Media in Promoting and Reducing Tobacco Use. Tobacco Control Monograph No. 19." U.S. Department of Health and Human Services, National Institutes of Health, National Cancer Institute. Bethesda, MD. June 2008.
Source:WILLIE EVANS v. LORILLARD TOBACCO COMPANY. Superior Court of Massachusetts, County. WILLIE EVANS, as Executor of the Estate of Marie R. Evans, Plaintiff v. LORILLARD TOBACCO COMPANY, Defendant ; CIVIL ACTION NO: 2004–2840–B ; September 01, 2011