Sejnowska, N. et al. 2023. Evaluation of the frequency of e-cigarette usage among high school students and factors that influence vaping. Adolescents’ knowledge of chemical composition of e-cigarettes and side effects. Journal of Education, Health and Sport. 16, 1 (Jul. 2023), 88–105. DOI:https://doi.org/10.12775/JEHS.2023.16.01.010.