1. Centers for Disease Control and Prevention20002012-05-28American Indians and Alaska Natives and Tobaccohttp://www.in.gov/isdh/tpc/files/research_66.pdf67zxOiimd
2. US Department of Health and Human Services1998Tobacco Use Among US Racial/Ethnic Minority Groups: African Americans, American Indians and Alaska Natives, Asian Americans and Pacific Islanders, Hispanics: A Report of the Surgeon Generalhttp://profiles.nlm.nih.gov/ps/access/NNBBFQ.pdf
3. Smoking and health: a 25-year perspective.