1. Electronic Cigarette Harms: Aggregate Evidence Shows Damage to Biological Systems
2. Hazardous Compounds in Tobacco Smoke
3. European-Parliament. DIRECTIVE 2014/40/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 3 April 2014 on the approximation of the laws, regulations and administrative provisions of the Member States concerning the manufacture, presentation and sale of tobacco and related products and repealing Directive 2001/37/EC. Official Journal of the European Union. April 29, 2014. Accessed December 15, 2023. https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32014L0040
4. WHO study group on tobacco product regulation: report on the scientific basis of tobacco product regulation: ninth report of a WHO study group. World Health Organization. August 23, 2023. Accessed December 15, 2023. https://www.who.int/publications/i/item/9789240079410