Zygo, Maciej, Emilia Potembska, Karol Zygo, Andrzej Stanisławek, Łukasz Karaś, and Beata Pawłowska. 2017. “Alcohol Consumption and the Risk of Internet Addiction in Teenagers Aged 13-17 Years Living in the Urban and Rural Areas”. Current Problems of Psychiatry 18 (2): 110-19. https://doi.org/10.1515/cpp-2017-0010.