A profile of drug takers.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002188:Cannabis; D004522:Educational Status; D005191:Family Characteristics; D006213:Hallucinogens; D006801:Humans; D006993:Hypnotics and Sedatives; D008875:Middle Aged; D009892:Opium; D012917:Social Adjustment; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders; D013997:Time Factors; D014478:Unemployment
D006213:Hallucinogens; D006993:Hypnotics and Sedatives; D009892:Opium