@misc{indiciae6f09eeb74141, title = {The Cannabis Problems Questionnaire: factor structure, reliability, and validity.}, author = {Jan Copeland and Stuart Gilmour and Peter Gates and Wendy Swift}, year = {2005}, doi = {10.1016/j.drugalcdep.2005.04.009}, url = {https://pubmed.ncbi.nlm.nih.gov/15916867/}, note = {Source identifier: 15916867} }