http://jurban.oxfordjournals.org/cgi/content/abstract/82/2/250
Benedikt Fischer et al.
Journal of urban health: bulletin of the New York Academy of Medicine. Vol 82 (2). pp.250-266
"Most of the estimated 125,000 injection drug users (IDUs) in Canada use illicit opioids and are outside treatment (i.e., methadone maintenance treatment). Empirical data suggest that illicit opioid users outside treatment are characterized by various health and social problem characteristics, including polydrug use, physical and mental morbidity, social marginalization, and crime." (Links to full abstract)
