%0 Journal Article
%T Comment on Karriker
%A Karoliina Karjalainen
%J Nordic Studies on Alcohol and Drugs
%@ 1458-6126
%D 2018
%R 10.1177/1455072518807052
%K concurrent polydrug use
%K measurements
%K screening
%K simultaneous polydrug use
%K substance-abuse treatment
%U https://journals.sagepub.com/doi/full/10.1177/1455072518807052