1. Smoking prevalence and attributable disease burden in 195 countries and territories, 1990–2015: a systematic analysis from the global burden of disease study 2015;Reitsma;The Lancet,2017
2. Altria . Our 10-year vision: Altria, 2021. Available: https://www.altria.com/en/about-altria/our-10-year-vision [Accessed 9 Jun 2021].
3. British American Tobacco . Our purpose and strategy London: British American tobacco, 2021. Available: https://www.bat.com/strategy [Accessed 9 Jun 2021].
4. British American Tobacco . News release: 2021 first half Pre-Close trading update London: British American tobacco, 2021. Available: https://www.bat.com/group/sites/UK__9D9KCY.nsf/vwPagesWebLive/DOC3RJ7A [Accessed 9 Jun 2021].
5. British American Tobacco . Building the enterprise of the future” performance summary 2020. London: British American Tobacco, 2021.