Romaniuk, M., K. Suswał, M. Komisarczuk, W. Tuszyńska, K. Krupa, W. Zygmunt, and J. Milanowski. “E-Cigarettes, Is This Alternative Safe?”. Journal of Education, Health and Sport, vol. 10, no. 8, Aug. 2020, pp. 313-21, doi:10.12775/JEHS.2020.10.08.037.