Trends in prevalence of substance use among Icelandic adolescents, 1995-2006
Substance Abuse Treatment Prevention and Policy (2008) - Comment
pubmed: 18507853  doi: 10.1186/1747-597x-3-12  issn: 1747-597x 

Inga D Sigfusdottir, Alfgeir L Kristjansson, Thorolfur Thorlindsson, John P Allegrante