Smokeless tobacco use among adolescents: demographic differences, other substance use, and psychological correlates.
D000293:Adolescent; D005260:Female; D006801:Humans; D008297:Male; D011788:Quality of Life; D012737:Sex Factors; D019966:Substance-Related Disorders / Q000523:psychology*; D014029:Tobacco Use Disorder / Q000523:psychology*; D014030:Tobacco, Smokeless