China's ban on certain chemicals is being credited by Drug Enforcement Administration officials in a noticeable decrease in certain synthetic drugs in the United States.
원문출처 : http://www.cnn.com/2016/09/02/health/chinese-selling-synthetic-drugs-in-us-down/index.html
원문출처 : http://www.cnn.com/2016/09/02/health/chinese-selling-synthetic-drugs-in-us-down/index.html