1. World Health Organization. Tobacco; WHO: Geneva, Switerland, 2019; Retrieved from: https://www.who. int/news-room/fact-sheets/detail/tobacco
2. Pinkas, J., Kaleta, D., Zgliczy´nski, W.S. (2019). The prevalence of tobacco and E-cigarette use in Poland: A 2019 Nationwide Cross-Sectional Survey. Int. J. Environ. Res. Public Health, 16, 4820.
3. Yeshchenko, K.N., Zhadan, A.V., & Shustval, N.F. (2013). Serdechno-sosudistaya sistema i kureniye [Circulatory system and smoking]. Liky Ukrainy – Medicines of Ukraine, 4 (170), 12-17 [in Russian].
4. Babayev, P.N. (2014). Meditsinskaya obrashchayemost i struktura zabolevayemosti shkolnikov, podvergayushchikhsya passivnomu kureniyu [Medical turnover and morbidity patterns of schoolchildren undergoing secondhand smoke]. Obshchestvennoye zdorovye i zdravookhraneniye – Public Health and Healthcare, 1, 34-37 [in Russian].
5. Goryayev, D.V., Tikhonova, I.V., Goryayev, D.V., & Dogadin, F.V. (2015). Rasprostranennost kureniya i risk utraty zdorovya naseleniyem Krasnoyarskogo kraya [The prevalence of smoking and the risk of loss of health by the population of the Krasnoyarsk region]. Gigiyena i sanitariya – Hygiene and Sanitation, 2, 23-28 [in Russian].