Cross-cultural influences on ideas about drugs.
D001290:Attitude; D002188:Cannabis; D002681:China / Q000208:ethnology; D003431:Cross-Cultural Comparison; D004155:Diphenhydramine; D006801:Humans; D008702:Methaqualone; D009021:Morphine Dependence / Q000453:epidemiology; D009892:Opium; D011619:Psychotropic Drugs; D012846:Singapore; D019966:Substance-Related Disorders / Q000453:epidemiology / Q000517:prevention & control
D011619:Psychotropic Drugs; D008702:Methaqualone; D009892:Opium; D004155:Diphenhydramine