Correlations and agreement between delta-9-tetrahydrocannabinol (THC) in blood plasma and timeline follow-back (TLFB)-assisted self-reported use of cannabis of patients with cannabis use disorder and psychotic illness attending the CapOpus randomized clin

Validity of Timeline Follow-Back for self-reported use of cannabis and other illicit substances — Systematic review and meta-analysis

(2011) Carsten Rygaard Hjorthøj et al.   ADDICTIVE BEHAVIORS

The Cannabis Use Problems Identification Test (CUPIT): development, reliability, concurrent and predictive validity among adolescents and adults

(2010) Jan Bashford et al.   ADDICTION

Potency Trends of Δ9-THC and Other Cannabinoids in Confiscated Cannabis Preparations from 1993 to 2008*

(2010) Zlatko Mehmedic et al.   JOURNAL OF FORENSIC SCIENCES

Do Δ9-tetrahydrocannabinol concentrations indicate recent use in chronic cannabis users?

(2009) Erin L. Karschner et al.   ADDICTION

Cannabis potency and contamination: a review of the literature

(2008) Jennifer McLaren et al.   ADDICTION

Potency of Δ9–THC and Other Cannabinoids in Cannabis in England in 2005: Implications for Psychoactivity and Pharmacology

(2008) David J. Potter et al.   JOURNAL OF FORENSIC SCIENCES

Lithium carbonate in the management of cannabis withdrawal in humans: an open-label study

(2008) AR Winstock et al.   JOURNAL OF PSYCHOPHARMACOLOGY

Design paper: The CapOpus trial: A randomized, parallel-group, observer-blinded clinical trial of specialized addiction treatment versus treatment as usual for young patients with cannabis abuse and psychosis

(2008) Carsten Hjorthøj et al.   Trials