1. Polycyclic aromatic hydrocarbons in US and Swedish smokeless tobacco products;McAdam;Chem Cent J,2013
2. FDA Memorandum - Dissolution as a Critical Comparison of Smokeless Product Performance: SE Requirements and Recommendations for the Review of Dissolution Studies. Geneva, Switzerland; 2016. Available at: https://www.fda.gov/media/124673/download. Accessed June 17, 2020.
3. Smokeless tobacco use among United States Air Force trainees;Linde;Subst Abus,2017
4. Smokeless tobacco products harbor diverse bacterial microbiota that differ across products and brands;Smyth;Appl Microbiol Biotechnol,2017
5. Centers for Disease Control and Prevention. Smokeless Tobacco-Products and Marketing. May 18, 2020. Geneva, Switzerland. Available at: https://www.cdc.gov/tobacco/data_statistics/fact_sheets/smokeless/products_marketing/index.htm. Accessed on September 01, 2020.