Drug use and analysis results: 1973-1975.
D000662:Amphetamines; D006801:Humans; D013287:Illicit Drugs; D004364:Pharmaceutical Preparations / Q000032:analysis; D010622:Phencyclidine; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States
D000662:Amphetamines; D013287:Illicit Drugs; D004364:Pharmaceutical Preparations; D010622:Phencyclidine