1. US Department of Health and Human Services (USDHHS) . The health consequences of smoking—50 years of progress: a report of the surgeon General. Atlanta, GA US Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health; 2014.
2. US Department of Health & Human Services (USDHHS) . Preventing tobacco use among youth and young adults: a report of the surgeon General. Atlanta, GA US Department of Health & Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health; 2012.
3. Have Tobacco 21 Laws Come of Age?
4. JUSTIA US Law . 2015 Hawaii revised StatutesTITLE 37. Hawaii PENAL CODE709. Offenses against the family and against Incompetents709-908 tobacco and electronic smoking devices prohibited; minors. Available: https://law.justia.com/codes/hawaii/2015/title-37/chapter-709/section-709-908
5. Preventing Tobacco Addiction Foundation . Tobacco 21: 500+ cities and counties in 30 states. Available: https://tobacco21.org 2019