![Prevalence of Marijuana and Other Substance Use Before and After Washington State's Change from Legal Medical Marijuana to Legal Medical and Non-Medical Marijuana: Cohort Comparisons in a Sample of Adolescents]()
Prevalence of Marijuana and Other Substance Use Before and After Washington State's Change from Legal Medical Marijuana to Legal Medical and Non-Medical Marijuana: Cohort Comparisons in a Sample of AdolescentsMason, W. Alex; Fleming, Charles B.; Ringle, Jay L.; Hanson, Koren; Gross, Thomas J.; Haggerty, Kevin P. · Substance Abuse · 2015