Comparison of youthful heroin users and nonusers from one urban community.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D001290:Attitude; D001364:Awareness; D002188:Cannabis; D003042:Cocaine; D004219:District of Columbia; D005106:Exploratory Behavior; D005191:Family Characteristics; D005260:Female; D006040:Goals; D006556:Heroin Dependence / Q000209:etiology / Q000401:mortality; D006801:Humans; D007899:Leisure Activities; D008297:Male; D010379:Peer Group; D012917:Social Adjustment; D012928:Social Desirability; D013332:Student Dropouts; D019966:Substance-Related Disorders / Q000150:complications; D014505:Urban Population
D003042:Cocaine