@misc{indiciae6ab2d4b62761, title = {Perceived functions predict intensity of use and problems in young polysubstance users.}, author = {Annabel Boys and John Marsden}, year = {2003}, doi = {10.1046/j.1360-0443.2003.00394.x}, url = {https://pubmed.ncbi.nlm.nih.gov/12814501/}, note = {Source identifier: 12814501} }