https://www.selleckchem.com/pr....oducts/penicillin-st
Trends show increased substance use among adults, yet little research on general population samples has examined differential patterns of licit and illicit substance use that can inform prevention and treatment efforts. This study identifies distinct patterns (classes) of substance use among 30- to 80-year olds, identifies demographic subgroups with the highest probability of class memberships, and compares classes on key indicators of functioning. Participants ( = 1,877) were from the RAND American Life Panel. Online s
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