Source:"Lorillard Tobacco Co., et al., Petitioners v. Thomas F. Reilly, Attorney General of Massachusetts; Altadis U.S.A. Inc., et al., Petitioners v. Thomas F. Reilly, Attorney General of Massachuetts." Supreme Court of the United States. 00-596, 00-597. 2000. Court Brief.
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.