title: The hang-loose ethnic and drug use revisited.
mesh_terms: D000124:Achievement; D000293:Adolescent; D000437:Alcoholism / Q000453:epidemiology; D000661:Amphetamine; D001290:Attitude; D001463:Barbiturates; D002140:California; D002188:Cannabis; D003156:Community Mental Health Services; D004335:Drug and Narcotic Control; D005260:Female; D006213:Hallucinogens; D006801:Humans; D008297:Male; D009892:Opium; D012923:Social Class; D012945:Social Values; D019966:Substance-Related Disorders / Q000453:epidemiology
chemical_list: D001463:Barbiturates; D006213:Hallucinogens; D009892:Opium; D000661:Amphetamine