Relationships between drug knowledge and drug attitudes for students in large, intermediate, and small schools.
D000293:Adolescent; D001294:Attitude to Health; D001364:Awareness; D005260:Female; D006801:Humans; D007721:Knowledge of Results, Psychological; D008297:Male; D009294:Narcotics; D013334:Students; D019966:Substance-Related Disorders / Q000517:prevention & control; D014481:United States
D009294:Narcotics