http://www.boston.com/dailynews/068/ascribe/_Study_Examines_Consequences_o:.shtml
"According to the study, 70 percent of injection drug users surveyed said they stopped using heroin after the campaign began. However, nearly a third of those who quit heroin said they switched to using methamphetamine and other drugs. The researchers also found the war on drugs had a greater impact in the rural countryside than in to the more densely populated cities."
The study is published in the The International Journal of Drug Policy, March 2005 avialable via SwetsWise
