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Age at First Use and Later Substance Use Disorder: Shared Genetic and Environmental Pathways for Nicotine, Alcohol, and Cannabis
Age of Cannabis Use Onset and Adult Drug Abuse Symptoms: A Prospective Study of Common Risk Factors and Indirect Effects
Likelihood of developing an alcohol and cannabis use disorder during youth: Association with recent use and age
Relationships between age at first substance use and persistence of cannabis use and cannabis use disorder