title: The rise of marijuana and the fall of cocaine in the United States: for better, for worse?
authors: BC Centre for Excellence in HIV/AIDS, Vancouver, BC, Canada; Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada.
authors: Bohdan
authors: B
authors: Nosyk
authors: Evan
authors: E
authors: Wood
authors: Thomas
authors: T
authors: Kerr
mesh_terms: D002188:Cannabis; D003042:Cocaine / Q000191:economics; D019970:Cocaine-Related Disorders / Q000191:economics / Q000453:epidemiology*; D006801:Humans; D002189:Marijuana Abuse / Q000191:economics / Q000453:epidemiology*; D008385:Marijuana Smoking / Q000191:economics / Q000453:epidemiology; D011634:Public Health; D011795:Surveys and Questionnaires; D014481:United States / Q000453:epidemiology
chemical_list: D003042:Cocaine
keywords: Addiction; cocaine; marijuana; public health; substance use disorders; surveillance