A new drug called "grey death" has been linked to a handful of lethal overdoses in the South -- but no one knows exactly what's in it or where it's coming from.
원문출처 : http://www.cnn.com/2017/05/12/health/grey-death-opioid-drug/index.html
원문출처 : http://www.cnn.com/2017/05/12/health/grey-death-opioid-drug/index.html