Heroin syringes and other equipment (credit : Denis Barthel - wikimediacommons)
Drug-rehab.org is a non-profit drug & alcohol rehab referral service - drug-rehab.org
Chicago's heroin epidemic laid bare: Photographer spends a year ... - dailymail.co.uk
Canada's safe injection center lets addicts shoot up - CNN.com - cnn.com
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Photogallery - Drug's environmental menace: Recovering heroin syringes and needles in America