Hellström Charlotta, Wagner Philippe, Nilsson Kent W., Leppert Jerzy, and Åslund Cecilia. 2017. “Gambling Frequency and Symptoms of Attention-Deficit Hyperactivity Disorder in Relation to Problem Gambling Among Swedish Adolescents: A Population-Based Study”. Upsala Journal of Medical Sciences 122 (2):119–126. https://doi.org/10.1080/03009734.2017.1294636.