Identifying high-risk youth: prevalence and patterns of adolescent drug abuse.
Newcomb
M D
MD
Division of Counseling, University of Southern California, Los Angeles 90089-0031, USA.
D000293:Adolescent; D000294:Adolescent Behavior; D006305:Health Status Indicators; D006801:Humans; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000523:psychology; D014481:United States / Q000453:epidemiology