Pluym, Nikola, Therese Burkhardt, and Max Scherer. “Exploring the Cessation Efficacy and Harm Reduction Potential of Heated Tobacco and Nicotine Pouch Products in Smokers and Smokeless Tobacco Users: Study Protocol of a 6-Month Randomized Controlled Switching Trial”. International Journal of Clinical Trials 11, no. 2 (April 24, 2024): 132–139. Accessed May 22, 2025. https://www.ijclinicaltrials.com/index.php/ijct/article/view/767.