TY  - RPRT
TI  - The Cannabis Problems Questionnaire: factor structure, reliability, and validity.
AU  - Jan Copeland
AU  - Stuart Gilmour
AU  - Peter Gates
AU  - Wendy Swift
PY  - 2005
DO  - 10.1016/j.drugalcdep.2005.04.009
UR  - https://pubmed.ncbi.nlm.nih.gov/15916867/
ID  - 15916867
ER  -