title: Interpreting the relation between injection drug use and harm: a cautionary note.
authors.affiliation: Clinical Support Unit, British Columbia Ministry of Health, Victoria. john.anderson@moh.hnet.bc.ca
authors.forename: J F
authors.initials: JF
authors.lastname: Anderson
mesh_terms: D002170:Canada / Q000453:epidemiology; D005060:Europe / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology / Q000635:transmission*; D006801:Humans; D015994:Incidence; D016485:Needle Sharing; D015995:Prevalence; D012307:Risk Factors; D015819:Substance Abuse, Intravenous / Q000150:complications* / Q000517:prevention & control*; D014481:United States / Q000453:epidemiology