How the People's Republic of China solved the drug abuse problem.
D001294:Attitude to Health; D002681:China; D004335:Drug and Narcotic Control; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D006723:Hong Kong; D006801:Humans; D009014:Morals; D009892:Opium / Q000266:history; D019966:Substance-Related Disorders / Q000188:drug therapy / Q000517:prevention & control* / Q000534:rehabilitation
D009892:Opium