Polydrug abuse--considerations in a national strategy.
D000437:Alcoholism / Q000150:complications; D000553:Ambulatory Care; D000662:Amphetamines; D001463:Barbiturates; D002188:Cannabis; D003042:Cocaine; D005380:Financing, Government; D006556:Heroin Dependence / Q000453:epidemiology; D006760:Hospitalization; D006801:Humans; D007880:Legislation, Drug; D008238:Lysergic Acid Diethylamide; D019966:Substance-Related Disorders / Q000150:complications / Q000453:epidemiology / Q000517:prevention & control*; D014481:United States
D000662:Amphetamines; D001463:Barbiturates; D008238:Lysergic Acid Diethylamide; D003042:Cocaine