Age differences in daily and nondaily cannabis use in the United States, 2002-2014
Consistency in adults' self-reported lifetime use of illicit drugs: a follow-up study over 13 years
Examining theoretical predictors of (mis)perceived alcohol norms
Latent classes of polydrug users as a predictor of crash involvement and alcohol consumption
Persistence of shifts in beliefs associated with exposure to alcohol advertising among adolescents
Recent self-reported cannabis use is associated with the biometrics of delta-9-tetrahydrocannabinol