1. The economic burden of HIV/AIDS in Canada;Albert,1998
2. Economic benefits of drug treatment: A critical review of the evidence for policy makers;Belenko,2005
3. British Columbia Coroners Service (2008). British Columbia Coroners Service, Vancouver, Canada. Retrieved 01 February 2008 from http://www.pssg.gov.bc.ca/coroners/.
4. Vancouver drug use epidemiology: Site report for the Canadian community epidemiology network on drug use;Buxton,2008
5. CBC News (2003). Vancouver's heroin users get safe-injection site, Vancouver, Canada. Retrieved 31 March 2008 from http://www.cbc.ca/news/story/2003/09/15/safe_injection030915.html.