Arnarsson, Arsaell; Kristofersson, Gisli; Bjarnason, Thoroddur
(Wiley, 2017-07-28)
Introduction. Over the past two decades, alcohol consumption of Icelandic adolescents has decreased dramatically. The aim of this study was to quantify the extent of this reduction and compare it with the trend in cannabis use over a 20 year period and ...