History of opiate use in the Orient and the United States.
D002681:China; D006556:Heroin Dependence / Q000453:epidemiology / Q000266:history; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007880:Legislation, Drug / Q000266:history*; D009021:Morphine Dependence / Q000266:history; D009293:Opioid-Related Disorders / Q000453:epidemiology / Q000266:history*; D009892:Opium / Q000266:history*; D014481:United States
D009892:Opium