source: Other drugs are adulterated with substances to create addiction, an example being the adulteration of cannabis in B.C. Canada with methamphetamine.
target: Other drugs are adulterated with substances to create addiction. An example is the adulteration of cannabis in B.C. Canada with methamphetamine.
references: Other drugs are adulterated with substances to create addiction. An example is the adulteration of cannabis in B.C. Canada with methamphetamine.