title: Patterns of multiple drug abuse: 1969-1971.
mesh_terms: D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D000661:Amphetamine; D001463:Barbiturates; D002188:Cannabis; D003042:Cocaine; D004522:Educational Status; D005260:Female; D006213:Hallucinogens; D003932:Heroin; D006801:Humans; D008297:Male; D008393:Marriage; D008800:Mexico / Q000208:ethnology; D011647:Puerto Rico / Q000208:ethnology; D012008:Recurrence; D012067:Religion; D012997:Solvents; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000628:therapy; D013997:Time Factors; D014481:United States
chemical_list: D001463:Barbiturates; D006213:Hallucinogens; D012997:Solvents; D003932:Heroin; D000661:Amphetamine; D003042:Cocaine